Matching livelihood needs to tree selection in high potential farming systems: lessons from participatory research in Nepal and India

agroforesteria agroforesterie agroforestry arbre artocarpus azadirachta indica biogas biogaz bois de chauffage conciencia social conscience sociale crop residues development projects energy sources exploitation agricole explotaciones agrarias farm forestry farms feed crops fuelwood income leucaena melia azedarach morus alba multipurpose trees participation plantas forrajeras productividad productivity proyectos de desarrollo renta residuos de cosechas revenu social consciousness trees