1. Interactions amongst trees and crops in taungya systems of western Kenya; Moses Imo.- 2. Active root distribution pattern of Hevea brasiliensis determined by radioassay of latex serum; Sherin George et al.- 3. Production physiology of three native shrubs intercropped in a young longleaf line plantation; Donald L. Hagan et al.- 4. Dry matter partitions and specific leaf weight of soybean change with tree competition in an intercropping system; Ameur M. Manceur et al.- 5. Natural abundance of 15N in two cacao plantations with legume and non-legume shade trees; Pekka Nygren, Humberto A. Leblanc.- 6. Soil phosphorus and water effects on growth, nutrient and carbohydrate concentrations, d13C, and nodulation of mimosa (Albizia julibrissin Durz.) on a highly weathered soil; Adrian Ares et al.- 7. Silvopastoralism in New Zealand: review of effects of evergreen and deciduous trees on pasture dynamics; Raquel Benavides et al.- 8. Pasture production under densely planted young willow and poplar in a silvopastoral system; Z. Hussain et al.- 9. Relationship between tree canopy height and the production of pasture species in a silvopastoral system based on alder trees; Naba R. Devkota et al.- 10. Changes in limiting resources determine spatio-temporal variability in tree-grass interactions; G. Gea-Izquierdo et al.- 11. Are drought and wildfires turning Mediterranean cork oak forests into persistent shrublands?; Vanda Acácio et al.- 12. Allelopathic effects of Eucalyptus urophylla on ten tree species in south China; Bizhen Fang et al.- 13. Scaling-up productivity (NPP) using light or water use efficiencies (LUE, WUE) from a two-layer tropical plantation; Olivier Roupsard et al.- 14. Modeling cotton production response to shading in a pecan alleycropping system using CROPGRO; Diomides S. Zamora et al.- 15. Transitioning from wild collection toforest cultivation of indigenous medicinal forest plants in eastern North America is constrained by lack of profitability; Eric P. Burkhart, Michael G. Jacobson.- 16. Coppicing improved fallows are profitable for maize production in striga infested soils of western Kenya; Abednego Kiwia et al.- 17. Adoption potential of selected organic resources for improving soil fertility in the central highlands of Kenya; Jayne Mugwe et al.- 18. Current situation and prospects of Jatropha curcas as a multipurpose tree in China; Meng Ye et al.- 19. Complementary labor opportunities in Indonesian pulpwood plantations with implications for land use; Romain Pirard, Judith Mayer.
