Pruning effects on roots of nitrogen fixing trees in the humid tropics . Turrialba ( Costa Rica ) . 2000. pv . Fig . Tab . Bib . Sumarios ( En , Es ) . ( Thesis C524 ) Resumen : El presente estudio se llevó a cabo en condiciones de ...

Costa Rica Tesis de Ph.D Pruning effects on roots of nitrogen fixing trees in the Humid tropics -Patrick Edwart Kent Chesney . Costa Rica A patch - model for managed tropical lowland rain forest in Costa Rica -Almeida A. Sitoe .

... M.Sc. Participatory research for validation and dissemination of agroforestry technologies to small farmers Jong - Hyon Shin , M.Sc. Pruning effects on roots of nitrogen fixing trees in the humid tropics Patrick Chesney , Ph.D.

Costa Rica Ph.D Dissertation Pruning effects on roots of nitrogen fixing trees in the Humid tropics -Patrick Edwart Kent Chesney . Costa Rica A patch - model for managed tropical lowland rain forest in Costa Rica -Almeida A. Sitoe .

... Russo ASEMENT OF AERIAL BIOMASS OF PORO ( Erythrina poeppigiana ) AND ITS EFFECT ON ROOT NODULATION AND NITROGEN ... are : The present project is part of an investigation leguminous tree species noted for thir nitrogen fixation ...

In Nitrogen Fixing Trees for Acid Soils ( D. O. Evans and L. T. Szott , Eds . ) , pp . 85-93 . ... Nygren P. and Campos A. ( 1995 ) Effect of foliage pruning on fine root biomass of ... acid soils of the humid tropics .

Here we report on the impacts of trees on soil fertility , rates of litterfall and litter decomposition , root biomass , and nutrient recycling . ... The results may also apply to other humid tropical areas with similar soils .

Here we report on the impacts of trees on soil fertility , rates of litterfall and litter decomposition , root biomass , and nutrient recycling . ... The results may also apply to other humid tropical areas with similar soils .

Mixed tree plantations Experiments with native trees in Costa Rica and Argentina Montagnini , F. 1992. ... In each mixture there is at least one leguminous nitrogen - fixing tree and another species known for its large production of ...

DANSO , S.K.A. , BOWEN , G.D . e SANGINGA , N.Biological nitrogen fixation ... E.C.M. , DAVEY , C.B & NELSON , L.A. , Alley cropping on na acid soil in the upper Amazon : mulch , fertilizer and hedgerow root pruning effects .