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Titre : Gran sports fields : toplayer compaction and soil aeration Type de document : texte imprimé Auteurs : Wisk, A. l. M. (Van) ; Verhaegh, W. B. ; Beuviing, J. Mention d'édition : Institute for land and water management research Editeur : Institute for Land and water Management Research Année de publication : 1977 ISBN/ISSN/EAN : CI-08526 Note générale : A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase... Langues : Anglais (eng) Mots-clés : Sol Expérimentation Terrain gazoné Aération Terrain de sport Index. décimale : 333.73 Terrain Résumé : A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase... Note de contenu : A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase... Gran sports fields : toplayer compaction and soil aeration [texte imprimé] / Wisk, A. l. M. (Van) ; Verhaegh, W. B. ; Beuviing, J. . - Institute for land and water management research . - Institute for Land and water Management Research, 1977.
ISSN : CI-08526
A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase...
Langues : Anglais (eng)
Mots-clés : Sol Expérimentation Terrain gazoné Aération Terrain de sport Index. décimale : 333.73 Terrain Résumé : A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase... Note de contenu : A stutdy was made on four grans sports fields to determine whether there is incompatibility between the high bulk density of the rootzone which is needed to given a soil strengh adequate for good playing conditions and the amount of air in terms of the oxygen diffusion rate (ODR) and the oxygen concentration in the soil gas phase... Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B526.115987 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115988 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115989 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115990 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115991 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115992 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115993 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B526.115994 CI-08526 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible Technical Bulletin, 107. A registration unit for drain outflow, groundwater depth and precipitation / Weerd, B. (van der)
Titre de série : Technical Bulletin, 107 Titre : A registration unit for drain outflow, groundwater depth and precipitation Type de document : texte imprimé Auteurs : Weerd, B. (van der) Mention d'édition : Institute for Land and Water Management Research Editeur : Institute for Land and water Management Research Année de publication : 1977 ISBN/ISSN/EAN : CI-09394 Note générale : A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used. Langues : Anglais (eng) Mots-clés : Eau souterraine PRECIPITATIONS Canalisation Débit fluvial Hydrologie Piézométrie Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used. Note de contenu : A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used. Technical Bulletin, 107. A registration unit for drain outflow, groundwater depth and precipitation [texte imprimé] / Weerd, B. (van der) . - Institute for Land and Water Management Research . - Institute for Land and water Management Research, 1977.
ISSN : CI-09394
A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used.
Langues : Anglais (eng)
Mots-clés : Eau souterraine PRECIPITATIONS Canalisation Débit fluvial Hydrologie Piézométrie Index. décimale : 551.57 Hydrométéorologie : brouillard, nuages, précipitations Résumé : A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used. Note de contenu : A description is given of an operational field registration unit for open and submerged drain outflow, groundwater depth and rainfall. The drain outflow meter has a measuring range from 20 to 400 cm3/s with a mean error in recorded sediment free outflow of 15 per cent at flow rates below 60cm3/s and 1.5 per cent at higher flow rates. Its weight is 6-8 kg, depending on drain outlet it is adopted to, has a length of 90cm and a height of 50cm. The groundwater level meter has a measuring range of 1.25cm but it can be adopted to deeper levels. Its accuracy is 0.5cm were a float of 4.5cm in a 5cm diameter piezometer tube is used. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B394.113315 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113316 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113317 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113318 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113319 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113320 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113321 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B394.113322 CI-09394 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : Technical Bulletin (ILWMR), 96 Titre : Pollution of soil an groundwater from land disposal of soil wastes Type de document : texte imprimé Auteurs : Hoeks, J. Mention d'édition : Institute for Land and Water Management Research Editeur : Institute for Land and water Management Research Année de publication : 1976 ISBN/ISSN/EAN : CI-10539 Note générale : In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality. Langues : Anglais (eng) Mots-clés : Eau souterraine pollution Déchet Gestion des déchets Sol Infiltration Index. décimale : 628.44 Déchets urbains Résumé : In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality. Note de contenu : In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality. Technical Bulletin (ILWMR), 96. Pollution of soil an groundwater from land disposal of soil wastes [texte imprimé] / Hoeks, J. . - Institute for Land and Water Management Research . - Institute for Land and water Management Research, 1976.
ISSN : CI-10539
In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality.
Langues : Anglais (eng)
Mots-clés : Eau souterraine pollution Déchet Gestion des déchets Sol Infiltration Index. décimale : 628.44 Déchets urbains Résumé : In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality. Note de contenu : In the Netherlands three main processing techniques, are used to dispose of solid wastes, i.e. incineration, composting and land disposal/ This paper in first presents the characteristics of the leachate, in second it discusses geohydrological aspects of groundwater pollution, in third part, the last one it describes the influence of the leachate on groundwater quality. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI04B539.123538 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123537 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123535 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123536 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123533 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123534 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123532 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible CI04B539.123531 CI-10539 Rapport Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : Technical Bulletins (New series), 4 Titre : Quality standards for irrigation waters Type de document : texte imprimé Auteurs : Rijtema, P. E. Mention d'édition : Institute for Land and water Management Research Editeur : Institute for Land and water Management Research Année de publication : 1981 ISBN/ISSN/EAN : CI-04952 Note générale : Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly. Langues : Anglais (eng) Mots-clés : Qualité de l'eau Irrigation Agriculture Fertilisation Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly. Note de contenu : Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly. Technical Bulletins (New series), 4. Quality standards for irrigation waters [texte imprimé] / Rijtema, P. E. . - Institute for Land and water Management Research . - Institute for Land and water Management Research, 1981.
ISSN : CI-04952
Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly.
Langues : Anglais (eng)
Mots-clés : Qualité de l'eau Irrigation Agriculture Fertilisation Index. décimale : 631.58 Méthodes de culture : jachère, assolement irrigation Résumé : Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly. Note de contenu : Water quality criteria fpr agricultural furposes should provide informations on the suitability of a water for irrigational use. The dericed working levels will be based on either the reduction in crop production or on the accumulation of specific constituents in the crop that might affect human health unfavourably through the food chain. The caracteristics of irrigation waters that appear to be most import in determining its quality are : total convention of soluble salts / total chloride concentration / relative proportion of sodium to other cations / concentrations of specific ions that may be toxic to plants and humans - Moreaver, some of the influences of irrigation in horticulture on other multiple uses of water have been considered briefly. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B952.95850 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95849 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95848 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95847 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95846 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95845 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95844 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B952.95843 CI-04952 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible
Titre de série : Technical Bulletins (New series), 6 Titre : Root water update model depending on soil water pressure head and maximum extraction rate Type de document : texte imprimé Auteurs : Hoogland, J. C. ; Feddes, R. A. ; Belmans, C. Mention d'édition : Institute for Land and Water Management Research Editeur : Institute for Land and water Management Research Année de publication : 1981 ISBN/ISSN/EAN : CI-04950 Note générale : Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data. Langues : Anglais (eng) Mots-clés : Eau souterraine Pression Taux d'extraction Index. décimale : 551.49 Eaux souterraines Résumé : Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data. Note de contenu : Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data. Technical Bulletins (New series), 6. Root water update model depending on soil water pressure head and maximum extraction rate [texte imprimé] / Hoogland, J. C. ; Feddes, R. A. ; Belmans, C. . - Institute for Land and Water Management Research . - Institute for Land and water Management Research, 1981.
ISSN : CI-04950
Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data.
Langues : Anglais (eng)
Mots-clés : Eau souterraine Pression Taux d'extraction Index. décimale : 551.49 Eaux souterraines Résumé : Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data. Note de contenu : Many present day models describing water uptake by root system are based on an analogy with ohm's law. These models require rather detailed information about root distribution, root densities, conductivities of the soil-root system, soil and plant resistances, etc. Often these parameters vary with type of soil and, also, with defth and time. A rather simple approach has been proposed by Feddes, Kowalik and Zaradny (1978). They compute root water extraction at the various defth depending on potential transpiration rate, rooting depth and the local prevailing soil water presure head. In this paper a modification is proposed in such a way that the maximum root water extraction is taken to be a decreasing function with depth. this functions starts at the soil surface with a value derived from literature data. Réservation
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Code-barres Cote Support Localisation Section Disponibilité CI03B950.95834 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95833 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95832 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95831 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95830 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95829 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95828 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible CI03B950.95827 CI-04950 Monographie Bibliothèque CDI-Ouaga Fond documentaire Disponible Permalink
