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Journal Article 1998

Autor: Haque, I. Lupwayi, N.Z. Ssali, H.

Phosphorus (P) is required to improve soil fertility for food and feed produciton in sub-Saharan Africa, but the high cost of conventional, water-soluble P fertilizers limits their use by resource-poor farmers. Rockphosphates are a low-cost alternative. The effectiveness, in terms of seed product...

Enlace original: https://cgspace.cgiar.org/handle/10568/28873

Investigación en Agricultura
Enlace permanente
Haque, I. ,  Lupwayi, N.Z. ,  Ssali, H. ,  [Agronomic evaluation of unacidulated and partially acidulated Chilembwe rockphosphates for clover seed production] ,  Agronomic evaluation of unacidulated and partially acidulated Chilembwe rockphosphates for clover seed production
Journal Article 2000

Autor: Haque, I. Lupwayi, N.Z. Tadesse, T.

Alfisols, Vertisols, Inceptisols, Aridisols, Mollisols, and Entisols were sampled (0-30 cm) from 32 locations across Ethiopia. The soils were analyzed for copper (Cu), zinc (Zn), manganese (Mn), and iron (Fe) contents using 0.005 M diethylene triamine pentaacetic acid (DTPA), 0.05 M hydrochloric ...

Enlace original: https://cgspace.cgiar.org/handle/10568/32872

Investigación en Agricultura
Enlace permanente
Haque, I. ,  Lupwayi, N.Z. ,  Tadesse, T. ,  [Soil micronutrient contents and relation to other soil properties in Ethiopia] ,  Soil micronutrient contents and relation to other soil properties in Ethiopia
Journal Article 1999

Autor: Lupwayi, N.Z. Haque, I.

Balances between nutrients applied or mineralized and nutrients removed in maize grain and stover were calculated in a hedgerow intercropping experiment in which Leucaena leucocephala and L. pallida prunings and cattle manure were applied. Hedgerow intercropping (also called alley cropping) is an...

Enlace original: https://cgspace.cgiar.org/handle/10568/30099

Investigación en Agricultura
Enlace permanente
Lupwayi, N.Z. ,  Haque, I. ,  [Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. III. Nutrient balances] ,  Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. III. Nutrient balances

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