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Autor: Fujisaka, Sam

SINCE THE mid-1960s, rice farmers in the irrigated areas of Asia have rapidly adopted `Green Revolution` rices because of their responsiveness to nitrogen fertilizer and their higher yields, shorter crop duration, and shorter stature. Such cultivars were well suited to systems with good water con...


Fujisaka, Sam[Side-stepped by the green revolution: farmers` traditional rice cultivars in the uplands and rainfed lowlands]Side-stepped by the green revolution: farmers` traditional rice cultivars in the uplands and rainfed lowlands

Ramírez Villegas, JuliánJarvis, AndyFujisaka, SamHanson, JeanLeibing, C.[Crop and forage genetic resources: International interdependence in the face of climate change]Crop and forage genetic resources: International interdependence in the face of climate change

The world s poorest and most vulnerable farmers on the whole have not benefited from international agricultural research and development. Past efforts have tried to increase the production of countries in more favourable environments; farmers with relatively higher potential for improvement benef...


Hyman, GlennFujisaka, SamJones, Peter G.Wood, S.Vicente, M.C. deDixon, John A.[Strategic approaches to targeting technology generation: assessing the coincidence of poverty and drought-prone crop production]Strategic approaches to targeting technology generation: assessing the coincidence of poverty and drought-prone crop production
Autor: Fujisaka, Sam

In a selected study are in Pucallpa, Peru, 151 farmer-settlers were interviewed to understand current land use dynamics. Respondents were stratified according to broad differences determined by preliminary informal surveys. Settlers included: farmers practicing slash-and-burn agriculture in upper...


Fujisaka, Sam[Land use strategies in Pucallpa, Perú]Land use strategies in Pucallpa, Perú
Escobar, GermánFujisaka, SamVeneklaas, Erik Jan[Nuevo método para la evaluación rápida de la biodiversidad de plantas en diferentes usos de tierras]Nuevo método para la evaluación rápida de la biodiversidad de plantas en diferentes usos de tierras

The second section of the paper sketches out the broad outlines of some methodological approaches to NRM impact assessment. Ex ante approaches are considered, and some aspects of poverty measurement, extrapolation, and cross scale analysis are noted. The third and final section of the paper will ...


Pachico, Douglas H.Ashby, J.A.Farrow, AndrewFujisaka, SamJohnson, Nancy L.Winograd, Manuel[Case study and empirical evidence for assessing natural resource management research : The experience of CIAT]Case study and empirical evidence for assessing natural resource management research : The experience of CIAT

Numbers of plant species and individuals were examined relative to land use in an agricultural settlement in the Brasilian Amazon. Land uses were forest, cropped after forest, fallows, cropped after fallow, and pasture. These uses corresponded roughly to farmers` land use changes over time. As ex...


Fujisaka, SamEscobar, G.[Plant community diversity relative to human land uses in an Amazon forest colony]Plant community diversity relative to human land uses in an Amazon forest colony

Fujisaka, SamJones, A.L.[Systems and farmer participatory research: developments in research on natural resource management]Systems and farmer participatory research: developments in research on natural resource management

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