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In the farming systems approach to technology development, trials are carried out on a limited number of farmers’ fields. Results of these trials are extrapolated to the entire target area and used either to identify directions for further research or to develop recommendations for farmers. Extra...


Smith, J.Walker, P.Oyewole, B.[Representativeness of farmers and sites in onfarm trials]Representativeness of farmers and sites in onfarm trials

This library research report will be particularly useful to French-speaking research workers in agriculture who want to get information about the Participatory Rural Appraisal (PRA). A synthesis is written from several documents and from a questionnaire which has been send to ex-alumni of the Fre...


Versteeg, M.Adanguidi, J.Djenotin, J.Nonfon, R.[Recherche participative efficace entre paysans, ONG, SNRA et IITA pour controler Striga hermonthica au Nord du Benin]Recherche participative efficace entre paysans, ONG, SNRA et IITA pour controler Striga hermonthica au Nord du Benin
Kadiata, B.Mulongoy , K.[Effect of pruning frequency on nitrogen accumulation and fixation in two woody legumes]Effect of pruning frequency on nitrogen accumulation and fixation in two woody legumes
Pasberg-Gauhl, C.Gauhl, F.Vuylsteke, D.R.[Sigatoka research at the International Institute of Tropical Agriculture, Nigeria]Sigatoka research at the International Institute of Tropical Agriculture, Nigeria

Howeler, Reinhardt H.Kawano, KWatananonta, WTran Ngoc Ngoan[Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope]Working with farmers: Spreading new cassava varieties, improved practices ........ and new hope
Rao, K.P.C.Sridhar, G.Shimber, T.[Whither Integrated Watershed Management Research: An Assessment of Ethiopian and Indian Programs.]Whither Integrated Watershed Management Research: An Assessment of Ethiopian and Indian Programs.
Tegegne, Azage[Who is publishing on what subject in ESAP: Trends in Animal Science Research in Ethiopia]Who is publishing on what subject in ESAP: Trends in Animal Science Research in Ethiopia
Jibbo, J.M.C.Durkin, J.W.Light, D.E.Murray, M.Sones, Keith R.Trail, J.C.M.[Chemoprophylaxis: Its successful use in the control of trypanosomiasis in Boran cattle, at Mkwaja ranch, Tanzania]Chemoprophylaxis: Its successful use in the control of trypanosomiasis in Boran cattle, at Mkwaja ranch, Tanzania

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