Using the data on site differences from the species trial plots , yield plantations at various spacings on the major ... The plots in Costa Rica and the other Central American countries can serve as training grounds for students from ...

CENTRO DE ESTUDIOS AMBIENTALES Y POLITICAS . ... Scientific American ( EUA ) ( Abr 1998 ) ... ANALISIS ECONOMICO ; MALASIA ; FILIPINAS ; AMERICA TROPICAL ; AFRICA TROPICAL 22812 WILLE , C. Trees on trial in Central America . ( En ) .

planting , agroforestry , plantations , soil and water conservation , wildlife , eco - tourism , and secondary forest industries . 0602 Wille , C. Trees on trial in Central America . American Forests ( EUA ) . ( 1990 ) . v .

Introduction Trial Background and Formulation Cordia alliodora is a well known tree in tropical and subtropical zones of Latin America and parts of the Caribbean , its timber being used for a wide variety of purposes .

CATIE will locate existing plantations and trial plots of fast growing trees and collect basic data on plantation and management history , species and seed source , as well as characterization of soil and ecological conditions for each ...

Number of Tree Species per Hectare Notes : Average number of tree species & tree species used are based on survey of ... In Latin America , biological di- versity is not limited to the existence of numerous plant and animal species .

Assess gene diversity in populations of mahogany in Central America and identify populations of with particular value for ... Till the moment tree trials have been established in Los Chiles , Upala and CATIE , all of them have around 40 ...

SUMMARY The trial evaluated in this study is part of the OFIcoordinated international series of provenance trials of Central American pines and of the Forest Tree Improvement Project at CATIE . The experiment was planted on four humid ...

These trials will provide a wide genetic base from which to develop a tree breeding program for P. tecunumanii . ... Seed of P. tecunumanii is presently imported from several provenances in Central America for ope- rational plantations ...

Two different designs were used . One , the first alley cropping trial planted in Central America used a split - plot design in randomized complete blocks ( Kass et al . , 1989 ; 1995 ) . Because trees were only planted in some of the ...