Search Results - Powell, J.

Contribution des residus de recoltes au disponible fourrager de saison seche dans la plaine d'Abet (Nigeria central) by Powell, J.M.

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Manure for cropping: Case study from central Nigeria by Powell, J.M.

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Assessment of dry-matter yield from grain yield in the West African savannah zone by Powell, J.M.

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Yields of sorghum and millet and stover consumption by livestock in the subhumid zone of Nigeria by Powell, J.M.

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Contribution of fractionated crop residues to dry-season livestock feed resources in the Abet plains, central Nigeria by Powell, J.M.

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Cropping systems in the subhumid zone of Nigeria by Powell, J.M.

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ILCA's research on crop-livestock interactions in the subhumid zone of Nigeria by Powell, J.M.

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Increasing nutrient use efficiency in West-African agriculture: The impact of micro-topography on nutrient leaching from cattle and sheep manure by Brouwer, J., Powell, J.M.

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Les activities culturales dans le systeme agropastoral peul du Nigeria central by Powell, J.M., Taylor-Powell, E.

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Effects of sheep diet on nutrient cycling in mixed farming systems of semi-arid West Africa by Powell, J.M., Fernández Rivera, S., Hofs, S.

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Fertilizer nitrogen and stover removal effects on sorghum yields and nutrient uptake and partitioning by Powell, J.M., Hons, F.M.

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Cropping by Fulani agropastoralists in central Nigeria by Powell, J.M., Taylor-Powell, E.

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Interactions between livestock husbandry and cropping in a West African savanna by Powell, J.M., Waters-Bayer, Ann

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Nitrogen and phosphorus transfers in a crop-livestock system in West Africa by Powell, J.M., Mohamed-Saleem, M.A.

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Manure utilisation, drought cycles and herd dynamics in the Sahel: implications for cropland productivity by Williams, Timothy O., Powell, J.M., Fernández Rivera, S.

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Soil fertility maintenance and food crop production in semi-arid West Africa: Is reliance on manure a sustainable strategy? by Williams, Timothy O., Powell, J.M., Fernández Rivera, S.

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Manure availability in relation to sustainable food crop production in semi-arid West Africa: Evidence from Niger by Williams, Timothy O., Powell, J.M., Fernández Rivera, S.

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Improved crop-livestock production strategies for sustainable soil management in tropical Africa by Haque, I., Powell, J.M., Ehui, Simeon K.

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Research for improving cereal-based livestock systems in semi-arid sub-Saharan Africa by Powell, J.M., Fernández Rivera, S., Williams, Timothy O.

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Soil PH and nitrogen changes following cattle and sheep urine deposition by Somda, Z.C., Powell, J.M., Bationo, B. André

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