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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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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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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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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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Integrated assessment of nutrient management options in smallholder farming systems: the NUANCES framework by Tittonell, Pablo A., Rufino, Mariana C., Wijk, Mark T. van, Herrero, Mario, Corbeels, Marc, Pacini, C., Smith, Jimmy W., Karanja, S., Quiróz, C., Mapfumo, Paul, Kungu, J., Baijukya, Frederick P., Kaizzi, C., Mwale, M., Sanogo, O.M., Yeboah, E., Nwage, D., Vanlauwe, Bernard, Albrecht, A., Ridder, N.A. de, Giller, Kenneth E.

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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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Communicating complexity: Integrated assessment of trade-offs concerning soil fertility management within African farming systems to support innovation and development by Giller, Kenneth E., Tittonell, Pablo A., Rufino, Mariana C., Wijk, Mark T. van, Zingore, Shamie, Mapfumo, Paul, Adjei-Nsiah, Samuel, Herrero, Mario, Chikowo, Regis, Corbeels, Marc, Rowe, E., Baijukya, Frederick P., Mwijage, A., Smith, Jimmy W., Yeboah, E., Burg, J. van de, Sanogo, M., Misiko, Michael T., Ridder, N.A. de, Karanja, S., Kaizzi, C., Kungu, J., Mwale, M., Nwaga, D., Pacini, C., Vanlauwe, Bernard

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Income, food security, nutrients and labour: a comparison of key aspects of African smallholder farming systems using IMPACT by Karanja, S., Herrero, Mario, Ridder, N.A. de, Baijukya, Frederick P., Mwale, M., Kaizzi, C., Mapfumo, Paul, Watat, C., Issaka, R., Sanogo, O.M., Kungu, J., Mugendi, D., Quirós, Carlos F., Tittonell, Pablo A., González Estrada, E., Giller, Kenneth E.

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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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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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Modelling agricultural development options for the Kedah-Perlis region, Malaysia by Roetter, R.P., Hoanh, Chu Thai, Wolf, Joost, Abu Bakar, I., Tawang, A., Ittersum, Martin K. van, Laborte, Alice G., Ridder, N.A. de, Berg, M.M. van den

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Identifying key entry-points for strategic management of smallholder farming systems in sub-Saharan Africa using the dynamic farm-scale simulation model NUANCES-FARMSIM by Wijk, Mark T. van, Tittonell, Pablo A., Rufino, Mariana C., Herrero, Mario, Pacini, C., Ridder, N.A. de, Giller, Kenneth E.

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Integration of systems network (SysNet) tools for regional land use scenario analysis in Asia by Roetter, R.P., Hoanh, Chu Thai, Laborte, Alice G., Keulen, H. van, Ittersum, Martin K. van, Dreiser, C., Diepen, C.A. van, Ridder, N.A. de, Laar, H.H. van

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A systems network (SysNet) approach for interactively evaluating strategic land use options at sub-national scale in South and South-East Asia by Ittersum, Martin K. van, Roetter, R.P., Keulen, H. van, Ridder, N.A. de, Hoanh, Chu Thai, Laborte, Alice G., Aggarwal, Pramod K., Ismail, A.B., Tawang, A.

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Drivers of land use change and household determinants of sustainability in smallholder farming systems of Eastern Uganda by Ebanyat, Peter, Ridder, N.A. de, Jager, A. de, Delve, Robert J., Bekunda, Mateete A., Giller, Kenneth E.

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

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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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