Samaru Research bulletin, 136. The organic matter content of the savana soils of West Africa / Jones, M. J.

Public ISBD 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Research, Ahmadu Bello university Année de publication : 1973 ISBN/ISSN/EAN : CI-05311 Note générale : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed.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 décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed.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 Note de contenu : Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed.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 . - 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 ISSN : CI-05311 Published and unpublished data on the amounts of organic matter and nitrogen in the surface soil of the West african savanna are reviewed.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.

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