translate English French German Italian Portuguese Spanish

Agencies  European Commission  Science  1991

Science   91 92 93 94 95 96 97 98 99 Extractivisme en Amazonie. Viabilité et optimisation. ERBTS3* CT910004 - Brazil - STD-III - 150,000 Euro DGXII Published Information Improvement of crop yields and simultaneous environmental impact assessment in conjunction with intensification and diversification of agroforestry on marginal land in northern Thailand. ERBTS3* CT910008 - Thailand - STD-III - 254,383 Euro DGXII Published Information Nutrient cycling and sustainability in alley-cropping systems in the humid tropics : phosphorus, labile soil organic phosphorus and base-cations. ERBTS3* CT910021 - Costa Rica - STD-III - 351,891 Euro part of Alley-Cropping in Central America DGXII Published Information N2-fixing woody symbiose of Kenya : research towards sustainable re-vegetation and enhanced soil productivity in arid and semi-arid zones ERBTS3* CT910027 - Kenya - STD-III - 600,000 Euro DGXII Published Information Figures are indicative, and subject to revision Some projects may contain substantial non-forest related components Information in the TROPICS system is provisional only Comments and suggestions to tropics@odi.org.uk