Resultados de búsqueda - Ridder, N.A. de

Annual report 1984 and work programme 1985 in Niger por Ridder, N.A. de

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Estimations de la production et de la distribution de la biomasse dans la zone de projet PEI en 1985 d'apres les valeurs NDVI obtenues par satellite por Wagenaar, K.T., Ridder, N.A. de

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Energy and protein balances in traditional livestock systems and ranching in eastern Botswana por Ridder, N.A. de, Wagenaar, K.T.

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The development of an early warning system for the Integrated Livestock Production Project (ILP) Tahoua, Niger por Ridder, N.A. de, Bourn, D.

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Actual work programme. Range Science Unit, 1985 por Ridder, N.A. de, Wagenaar, K.T.

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Estimates of biomass production and distribution in the ILP project zone in 1985 based on satellite NDVI values. por Wagenaar, K.T., Ridder, N.A. de

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A new approach to evaluating rangeland productivity in Sahelian countries por Ridder, N.A. de, Breman, H.

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Forage selection and performance of sheep grazing dry annual range por Ridder, N.A. de, Benjamin, R.W., Keulen, H. van

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Exploring diversity and adoption of agroforestry technologies in mixed crop-livestick smallholder farming in Kenya por Kibor, Benjamin T., Giller, Kenneth E., Ridder, N.A. de, Vanlauwe, Bernard

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Niche-based assessment of contributions of legumes to the nitrogen economy of Western Kenya smallholder farms por Ojiem, J.O., Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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The potential role of legumes in facilitating green revolution in Africa: integrating biophysical and socio-economic dimensions of technology innovation por Ojiem, J.O., Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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Secheresse et exode pastoral au Niger por Bourn, D.M., Denda, I., Ridder, N.A. de, Wagenaar, K.T., Wint, W.

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Profit efficiency among Kenyan smallholders milk producers: A case study of Meru-South district, Kenya por Karanja Ng'ang'a, Stanley, Kungu, J., Ridder, N.A. de, Herrero, Mario

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Minimum tillage and vegetative barrier effects on crop yields in relation to soil water content in the Central Kenya highlands por Guto, Samuel, Ridder, N.A. de, Giller, Kenneth E., Pypers, Pieter, Vanlauwe, Bernard

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Socio-ecological niches for minimum tillage and crop-residue retention in continuous maize cropping systems in smallholder farms of central Kenya por Guto, SN, Pypers, Pieter, Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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Where have all the livestock gone? por Bourn, D.M., Denda, I., Ridder, N.A. de, Wagenaar, K.T., Wint, W.

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Benefits of legumemaize rotations: assessing the impact of diversity on the productivity of smallholders in Western Kenya por Ojiem, J.O., Franke, A.C., Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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To conserve or not to conserve: exploring smallholder farmers´ knowledge towards soil erosion and the status of conservation farming across the Central Kenya highlands por Gutto, SN, Vanlauwe, Bernard, Okoth, Peter F., Pypers, Pieter, Ridder, N.A. de, Giller, Kenneth E.

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Lifetime productivity of dairy cows in smallholder farming systems of the Central highlands of Kenya por Rufino, Mariana C., Herrero, Mario, Wijk, Mark T. van, Hemerink, L., Ridder, N.A. de, Giller, Kenneth E.

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Beyond resource constraints - Exploring the biophysical feasibility of options for the intensification of smallholder crop-livestock systems in Vihiga district, Kenya por Tittonell, Pablo A., Wijk, Mark T. van, Herrero, Mario, Rufino, Mariana C., Ridder, N.A. de, Giller, Kenneth E.

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