Agroforestry Systems 24 , 171 186 . Jensen M. ( 1993b ) Productivity and nutrient cycling in a Javanese homegarden . Agroforestry Systems 24 , 187 201 . Kang B. T. and Gutteridge R. C. ( 1994 ) Forage tree legumes in alley cropping ...

Characterization and evaluation of agroforestry systems : the case for Acosta - Puriscal , Costa Rica . ... Light , shade , and growth in some tropical plants . In Light as an ecological factor ( Bainbridge et al , ed . ) ...

Table 3 Activities On - station research in Turrialba - Nitrogen - fixing trees for support - Spacing ... farming with aroids and maize - Control of soil and nutrient losses in agroforestry systems - Evaluation of tree and bush forages ...

Data on crop and tree yields , and environmental factors are beginning to accumulate . For example , the early results from one experiment show that erosion in coffee plantations can be greatly reduced by the inclusion of a leguminous ...

Some controlled experiments have analyzed nitrogen fluctuation , nutrients and biomass of some agroforestry combinations with trees that fix nitrogen and others that do not . Genetic improvement efforts are being made in order to select ...

Effect of native tree legumes on soil restoration under agroforestry systems in the South of Mexico E. Hernández - Cruz ' ... In Mexico , which is part of this environmental problem , more than 85 % of our territory shows various soil ...

Special Issue : Agroforestry research carried out by CATIE in Latin America . ... Improving rumen fermentation and milk production with legume - tree fodder in the tropics . ... Environmental Assessment and Monitoring 73 : 17-40 .

Special Issue : Agroforestry research carried out by CATIE in Latin America . ... Improving rumen fermentation and milk production with legume - tree fodder in the tropics . ... Environmental Assessment and Monitoring 73 : 17-40 .

Environmental Management 22 : 459-470 . Palm C.A. and Sanchez P.A. 1990. Decomposition and nutrient release patterns of leaves of three tropical legumes . Biotropica 22 : 330–338 . Palm C.A. 1995. Contribution of agroforestry trees to ...

Cape JN ( 1993 ) The use of " S to study sulphur cycling in forests . Environmental Geochemistry and Health 15 : 113-118 . Danso SKA , Bowen GD and Sanginga N ( 1992 ) Biological nitrogen fixation in trees in agro- ecosystems .