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Série Samaru Research bulletin
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Samaru Research bulletin. The use of fertilisers in the maintenance of soil fertility under intensive cropping in northern Nigeria / Heathcote, R.G.
Titre de série : Samaru Research bulletin Titre : The use of fertilisers in the maintenance of soil fertility under intensive cropping in northern Nigeria Type de document : texte imprimé Auteurs : Heathcote, R.G. Mention d'édition : IAR/SABU Editeur : IAR/SABU Année de publication : 1975 ISBN/ISSN/EAN : CI-10832 Note générale : Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas. Langues : Anglais (eng) Mots-clés : Fertilisation Sol Maintenance Récolte Pollution Culture intensive Index. décimale : 628.55 Pollution du sol Résumé : Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas. Note de contenu : Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas. Samaru Research bulletin. The use of fertilisers in the maintenance of soil fertility under intensive cropping in northern Nigeria [texte imprimé] / Heathcote, R.G. . - IAR/SABU . - [S.l.] : IAR/SABU, 1975.
ISSN : CI-10832
Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas.
Langues : Anglais (eng)
Mots-clés : Fertilisation Sol Maintenance Récolte Pollution Culture intensive Index. décimale : 628.55 Pollution du sol Résumé : Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas. Note de contenu : Long - term trials carried out at three sites in Northern Nigeria have shown that high crop yields can be maintained for at least five years under intensive conditions through the judicious use of fertilisers on their own. Under use these conditions, accessions of organic material from roots and from laef shedding are sufficient to maintain soil organic matter at a level, which altough low, appears to be adequate. the limmitation of annual fertiliser trials, and of long term ones which include the faillure to identify the need of nic nature, are pounted out. The failure to identify the need of potasium fertiliser is partcularly emphasised as an illustration of the erroneous conclusions that may be drawn. The work described in this paper has clearly shown that the use of potassium fertiliser is essential unda ntensive and continuous agriculture in some areas. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI04B832.129979 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129980 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129981 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129982 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129983 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129984 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129985 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B832.129986 CI-10832 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible Samaru Research bulletin. Effects of previous crop on yield and nitrogen response of maize at Samaru (Nigeria) / Jones, J. M.
Titre de série : Samaru Research bulletin Titre : Effects of previous crop on yield and nitrogen response of maize at Samaru (Nigeria) Type de document : texte imprimé Auteurs : Jones, J. M. Année de publication : 1974 ISBN/ISSN/EAN : CI-04059 Note générale : Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas. Langues : Anglais (eng) Mots-clés : Mais Culture vivrière Azote Expérimentation AGRONOMIE Méthodologie Fertilisation Agronomie GENIE RURAL Index. décimale : 630 Agriculture et techniques connexes Résumé : Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas. Note de contenu : Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas. Samaru Research bulletin. Effects of previous crop on yield and nitrogen response of maize at Samaru (Nigeria) [texte imprimé] / Jones, J. M. . - 1974.
ISSN : CI-04059
Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas.
Langues : Anglais (eng)
Mots-clés : Mais Culture vivrière Azote Expérimentation AGRONOMIE Méthodologie Fertilisation Agronomie GENIE RURAL Index. décimale : 630 Agriculture et techniques connexes Résumé : Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas. Note de contenu : Maize yield were significantly affected by the nature of the previous crop. Maize following groundnuts significantly outyielded maize following cotton, which in turn significantly out yielded maize following sorghum or cowpeas, and this order was largely independent of the nitrogen fertilizer regime applied to the maize. Analyses of soil and crop showed that groundnut increased nitrogen availability in the topsoil, but there was little evidence of any similar advantage after cowpeas. Réservation
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Titre de série : Samaru Research bulletin Titre : Animal husbandry in the Zaria rea Type de document : texte imprimé Auteurs : Van Raay, J. G. T. Mention d'édition : Institute for Agricultural Research Editeur : Institute for Agricultural Research Année de publication : 1973 ISBN/ISSN/EAN : CI-10053 Note générale : Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms. Langues : Anglais (eng) Mots-clés : Agriculture Nomadisme Production animale Elévage pastoral Index. décimale : 630 Agriculture et techniques connexes Résumé : Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms. Note de contenu : Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms. Samaru Research bulletin. Animal husbandry in the Zaria rea [texte imprimé] / Van Raay, J. G. T. . - Institute for Agricultural Research . - [S.l.] : Institute for Agricultural Research, 1973.
ISSN : CI-10053
Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms.
Langues : Anglais (eng)
Mots-clés : Agriculture Nomadisme Production animale Elévage pastoral Index. décimale : 630 Agriculture et techniques connexes Résumé : Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms. Note de contenu : Zaria represents a so small area in Nigeria. Its immediate surrounding diversity in forms of animal husbandry and in people engaged in its execution is a most stricking, feature the report shows the attemps which have been made at giving a typology of livestock rearing communities on the basis of their mobility and settled categories is well established. A semi-settlet category is introduced as distinct from semi - nomadic rather than using semi-nomadic, semi-settled, part ly-settled as interchangeable terms. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI04B053.143371 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143372 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143373 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143374 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143375 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143376 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143377 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B053.143378 CI-10053 Périodique Bibliothèque CDI-Ouaga Fond documentaire Disponible Samaru Research bulletin. Wheat cultivation and research in Nigeria / Andrews, D. J.
Titre de série : Samaru Research bulletin Titre : Wheat cultivation and research in Nigeria Type de document : texte imprimé Auteurs : Andrews, D. J. Mention d'édition : Institute for Agricultural Research, Samaru/Ahmadu Bello University Editeur : Institute for Agricultural Research, Samaru/Ahmadu Bello University Année de publication : 1970 ISBN/ISSN/EAN : CI-03014 Note générale : The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety. Langues : Anglais (eng) Mots-clés : Système de culture Irrigation Alimentation en eau Fertilité Sélection variétale Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety. Note de contenu : The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety. Samaru Research bulletin. Wheat cultivation and research in Nigeria [texte imprimé] / Andrews, D. J. . - Institute for Agricultural Research, Samaru/Ahmadu Bello University . - [S.l.] : Institute for Agricultural Research, Samaru/Ahmadu Bello University, 1970.
ISSN : CI-03014
The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety.
Langues : Anglais (eng)
Mots-clés : Système de culture Irrigation Alimentation en eau Fertilité Sélection variétale Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety. Note de contenu : The location in the north of Nigeria which have been developed since 1960 to grow wheat under irrigation in the dry season are indicated and the method of cultivation described. Farmers obtain yields of between 1,200 to 1,800 1b of grain/acre (1,345 - 2,018 kg/ha). The problems which have been investigated and are reported here include variety assessment, fertiliser response, date of planting, and the disease situation. A larger number of varieties have been screened and two have been recommended in place of the local variety. Réservation
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Titre de série : Samaru Research bulletin Titre : The effect of plant spacing on the number of Aphids trapped over the groundnur crop Type de document : texte imprimé Auteurs : ABrook, J. Année de publication : 1968 ISBN/ISSN/EAN : CI-03126 Note générale : Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements. Langues : Anglais (eng) Mots-clés : Agriculture Plante Maladie Sol Arachide Espèce végétale Traitement des plantes Index. décimale : 630 Agriculture et techniques connexes Résumé : Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements. Note de contenu : Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements. Samaru Research bulletin. The effect of plant spacing on the number of Aphids trapped over the groundnur crop [texte imprimé] / ABrook, J. . - 1968.
ISSN : CI-03126
Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements.
Langues : Anglais (eng)
Mots-clés : Agriculture Plante Maladie Sol Arachide Espèce végétale Traitement des plantes Index. décimale : 630 Agriculture et techniques connexes Résumé : Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements. Note de contenu : Aphis craccivora, Aphis gossypi and longiumguis were trapped at 3ft above ground more often over widely-spaced groundnuts. A crop height A. craccivora and A. gossypi shaved a simular but greather response to plant spacing. Numbers af phopolosiphum midis and tetranenra Nigriabdominalis caught were not by groundnut spacing differences. All Aphis species studied exept T. Nigriabdominalis responded to yelow, but their sensitivity to colour was less during the dry season. It is suggested that the effect of plant spacing on number caught is not due to color alone, but perhaps, also to be contrasts of plants and soil is widely spaced groundnuts. A crop height an alighting response is shown only by those species that feed on groundnuts. The control of rosette desease of groundnuts by early planting and colose spacing appears to be due the inhibition of the landing responses in A crossivora by the continuous ground cover resulting from thre treatements. Réservation
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Titre de série : Samaru Research bulletin, 199 Titre : Lande tenure, land holding and agricultural development in the central Sokoto, close settled zone, Nigeria Type de document : texte imprimé Auteurs : Goddard, A. D. Année de publication : 1973 ISBN/ISSN/EAN : CI-05024 Note générale : A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations. Langues : Anglais (eng) Mots-clés : Agriculture Tenure foncière Développement rural Agronomie Génie rural Mise en valeur Index. décimale : 630 Agriculture et techniques connexes Résumé : A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations. Note de contenu : A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations. Samaru Research bulletin, 199. Lande tenure, land holding and agricultural development in the central Sokoto, close settled zone, Nigeria [texte imprimé] / Goddard, A. D. . - 1973.
ISSN : CI-05024
A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations.
Langues : Anglais (eng)
Mots-clés : Agriculture Tenure foncière Développement rural Agronomie Génie rural Mise en valeur Index. décimale : 630 Agriculture et techniques connexes Résumé : A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations. Note de contenu : A survey of land tenure in three villages in the central Sokoto close-settled zone shows that communal land tenure has given way under population presure and the influance of Muslin land low to individual handholding. This allows farmers considerable security of title encouraging land improvement, but does not allow land to be used as collateral for loans. Subdivision of holdings is encouraged by land low, and leads unders conditions of land shortage to diminishing size of holdings. But with capital a farmer may increase the size of this holding by purcharge or consolidate a fragmented holding. A relatively equitable distribution of land among the farming population could encourage the adoptation of innovations. Réservation
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Titre de série : Samaru Research bulletin, 136 Titre : The organic matter content of the savana soils of West Africa Type de document : texte imprimé Auteurs : Jones, M. J. Mention d'édition : Institute for Agricultural Research, Ahmadu Bello university Editeur : Institute for Agricultural Research, Ahmadu Bello university Année de publication : 1973 ISBN/ISSN/EAN : CI-05311 Note générale : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall. Langues : Anglais (eng) Mots-clés : Sol Matière organique Savane Agronomie Génie rural Mise en valeur Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall. Note de contenu : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall. Samaru Research bulletin, 136. The organic matter content of the savana soils of West Africa [texte imprimé] / Jones, M. J. . - Institute for Agricultural Research, Ahmadu Bello university . - [S.l.] : Institute for Agricultural Research, Ahmadu Bello university, 1973.
ISSN : CI-05311
Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall.
Langues : Anglais (eng)
Mots-clés : Sol Matière organique Savane Agronomie Génie rural Mise en valeur Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall. Note de contenu : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed. In general, amounts are small/ the mean carbon content of soils from 605 well - drained sites was 0.68 per cent. Two important factors governing amounts of organic matter in well-drained soils appear to be the clay content and a moisture factor related to the length of the wet season and represented here by mean annual rainfall. Réservation
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Titre de série : Samaru Research bulletin, 178 Titre : Rural economy in the Zaria area, with special reference to agriculture Type de document : texte imprimé Auteurs : Porman, D. W. Mention d'édition : Institute for Agricultural Research Editeur : Institute for Agricultural Research Année de publication : 1973 ISBN/ISSN/EAN : CI-10215 Note générale : The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi. Langues : Anglais (eng) Mots-clés : Développement rural Agriculture Economie rurale Index. décimale : 307.72 développement rural Résumé : The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi. Note de contenu : The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi. Samaru Research bulletin, 178. Rural economy in the Zaria area, with special reference to agriculture [texte imprimé] / Porman, D. W. . - Institute for Agricultural Research . - [S.l.] : Institute for Agricultural Research, 1973.
ISSN : CI-10215
The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi.
Langues : Anglais (eng)
Mots-clés : Développement rural Agriculture Economie rurale Index. décimale : 307.72 développement rural Résumé : The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi. Note de contenu : The purpose of this document is to give a brief description of the economy of the rural area Surrounding Zaria. In order to achieve this a few results are presented from a Surdey under taken from April 1966 to March 1967 pertaining to three Villages differing in distance from and ease of communication with Zaria. The three villages are Hanwa, Doka, Dan Mahawayi. Réservation
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Titre de série : Samaru Research bulletin, 88 Titre : Soils and related surface phenomenaNare Bacita Type de document : texte imprimé Auteurs : Higging, G. M. Mention d'édition : Institute for Agricultural research AHMADU BELLO University Editeur : Institute for Agricultural research AHMADU BELLO University Année de publication : 1968 ISBN/ISSN/EAN : CI-11736 Note générale : This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions. Langues : Anglais (eng) Mots-clés : Végétation Bassin versant Irrigation Sol Pédologie Sugar Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions. Note de contenu : This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions. Samaru Research bulletin, 88. Soils and related surface phenomenaNare Bacita [texte imprimé] / Higging, G. M. . - Institute for Agricultural research AHMADU BELLO University . - [S.l.] : Institute for Agricultural research AHMADU BELLO University, 1968.
ISSN : CI-11736
This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions.
Langues : Anglais (eng)
Mots-clés : Végétation Bassin versant Irrigation Sol Pédologie Sugar Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions. Note de contenu : This paper describes vegetaion and surface phenomena as - sociated with the soils in the area, and shows surface observations can be used to indicate underlying soil conditions. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B736.163762 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163760 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163761 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163759 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163757 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163758 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163755 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B736.163756 CI-11736 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible Samaru Research bulletin, 129. Fungal infection of ground nut fruit after maturity and during drying / Donald, D.
Titre de série : Samaru Research bulletin, 129 Titre : Fungal infection of ground nut fruit after maturity and during drying Type de document : texte imprimé Auteurs : Donald, D. Mention d'édition : Institute for Agricultural/University Editeur : Institute for Agricultural/University Année de publication : 1970 ISBN/ISSN/EAN : CI-03691 Note générale : Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common. Langues : Anglais (eng) Mots-clés : Methodologie Saison Expérimentation Pluviométrie Arachide Champignon Sécheresse Culture maraichère Fruit Biologie Parasitologie sédimentation Index. décimale : 634 Vergers, fruits, forêts Résumé : Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common. Note de contenu : Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common. Samaru Research bulletin, 129. Fungal infection of ground nut fruit after maturity and during drying [texte imprimé] / Donald, D. . - Institute for Agricultural/University . - [S.l.] : Institute for Agricultural/University, 1970.
ISSN : CI-03691
Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common.
Langues : Anglais (eng)
Mots-clés : Methodologie Saison Expérimentation Pluviométrie Arachide Champignon Sécheresse Culture maraichère Fruit Biologie Parasitologie sédimentation Index. décimale : 634 Vergers, fruits, forêts Résumé : Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common. Note de contenu : Shells and seds of the long season groundnut (arachis hypogaea) variety samaru 38 have been examined for fungal infection samples were taken at becomming over-mature in the ground. At normal maturity the shells were commly infected althrough very few seeds were invaded. Fruits lifted when mature and dries in windows showed an increase in invasion of seeds. Seads from fruits picked shortly after liftning, then sun-dried on mats, showed little increase in fungal infection during drying, when fruits were left in the ground after reaching maturity, these was gradual increase of fungal invasion of the seeds. Macraphomina phaseoli and Fusarium spp were the dominant fungi in shells, these were also dominant in seeds of over mature and windrow-dried fruit. Aspergillus spp. Wer not abundant in shells or seeds but were frequently present, the toxigenic aspergillus flavus being the most common. Réservation
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Titre de série : Samaru Research bulletin, 204 Titre : Determination of relevant research priorities for farm development in West Africa Type de document : texte imprimé Auteurs : Norman, D. W. ; Simmons, E. B. Année de publication : 1974 ISBN/ISSN/EAN : CI-06630 Note générale : this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process. Langues : Anglais (eng) Mots-clés : Recherche AGRONOMIE Economie rurale Développement agricole Index. décimale : 338.5 Economie de la production, micro-économie Résumé : this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process. Note de contenu : this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process. Samaru Research bulletin, 204. Determination of relevant research priorities for farm development in West Africa [texte imprimé] / Norman, D. W. ; Simmons, E. B. . - 1974.
ISSN : CI-06630
this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process.
Langues : Anglais (eng)
Mots-clés : Recherche AGRONOMIE Economie rurale Développement agricole Index. décimale : 338.5 Economie de la production, micro-économie Résumé : this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process. Note de contenu : this paper discusses the determination of relevant research priorities for farm development in West Africa in the larger content of the whole research process from the formulation of broadly relevant research priorities to the specification of appropriate and consistent research programmes and projects to the carrying out of the designated projects with the subsequent feedback of those experiences and results into the re-formulation process. Réservation
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