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Conference Paper 1992

Autor: Kouame, C. Hoefs, S. Powell, J.M. Roxas, D. Renard, C.

The increasing interest in crop-livestock integration in sub-Saharan Africa has emphasised the beneficial uses of forage legumes in cereal-based cropping systems. Forage legume-cereal cropping systems were evaluated in 1989 and 1990 at the ICRISAT (International Crops Research Institute for the S...

Enlace original: https://cgspace.cgiar.org/handle/10568/49957

Investigación en Agricultura
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Kouame, C. ,  Hoefs, S. ,  Powell, J.M. ,  Roxas, D. ,  Renard, C. ,  [Intercrop Stylosanthes effects on millet yields and animal performance in the Sahel] ,  Intercrop Stylosanthes effects on millet yields and animal performance in the Sahel
Journal Article 1998

Autor: Brouwer, J. Powell, J.M.

In African agriculture, availability of nutrients for crop production can be increased using external inputs such as mineral fertiliser. However, for many African farmers the large scale use of external inputs will remain beyond reach for the foreseeable future. There is, therefore, also a need f...

Enlace original: https://cgspace.cgiar.org/handle/10568/30022

Investigación en Agricultura
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Brouwer, J. ,  Powell, J.M. ,  [Increasing nutrient use efficiency in West-African agriculture: The impact of micro-topography on nutrient leaching from cattle and sheep manure] ,  Increasing nutrient use efficiency in West-African agriculture: The impact of micro-topography on nutrient leaching from cattle and sheep manure
Journal Article 1997

Autor: Somda, Z.C. Powell, J.M. Bationo, B. André

The changes in soil pH and mineral N concentrations of cattle and sheep urine patches were compared to those occurring in fertilizer urea placement zones in a study in Niger. Urine and fertilizer solutions each containing 400 mg N (800 kg N/ha) were spread onto individual plots covering a surface...

Enlace original: https://cgspace.cgiar.org/handle/10568/32871

Investigación en Agricultura
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Somda, Z.C. ,  Powell, J.M. ,  Bationo, B. André ,  [Soil PH and nitrogen changes following cattle and sheep urine deposition] ,  Soil PH and nitrogen changes following cattle and sheep urine deposition

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