Search Results - Ridder, N.A. de

Annual report 1984 and work programme 1985 in Niger by 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 by Wagenaar, K.T., Ridder, N.A. de

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Energy and protein balances in traditional livestock systems and ranching in eastern Botswana by 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 by Ridder, N.A. de, Bourn, D.

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

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

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Forage selection and performance of sheep grazing dry annual range by 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 by 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 by 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 by Ojiem, J.O., Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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Secheresse et exode pastoral au Niger by 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 by 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 by 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 by Guto, SN, Pypers, Pieter, Vanlauwe, Bernard, Ridder, N.A. de, Giller, Kenneth E.

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Where have all the livestock gone? by 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 by 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 by 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 by 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 by Tittonell, Pablo A., Wijk, Mark T. van, Herrero, Mario, Rufino, Mariana C., Ridder, N.A. de, Giller, Kenneth E.

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