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The contribution of agroforestry systems to reducing farmers' dependence on the resources of adjacent national parks
Root activity patterns in an Amazonian agroforest with fruit trees determined by 32P, 33P and 15N applications
Tithonia diversifolia
Forest patches in Imperata grassland and prospects for their preservation under agricultural intensification in Northeast Luzon, The Philippines
Separating the effects of trees on crops
Farmers' preferences and use of local fodder trees and shrubs in Kenya
Shade improves coffee quality in a sub-optimal coffee-zone of Costa Rica
Contents of Volume 52
Author index Volume 52 2001
Instructions to authors (2001)