Growth and development of some fuelwood species in different potting media . Silvatrop , The Philippine Forest Research Journal 6 ( 3 ) : 91-100 . 15309 ROSE , D .; SALAZAR , R. 1983. Lineamientos generales para la evaluación de ...

In addition , many small farmers keep livestock and have some pasture land . Trees are cut for fuelwood and for other uses and the soil is turned very frequently for annual crop cultivation . While some farmers know about soil ...

In secondary forests at low and intermediate altitude in some countries in Central America , Calliandra calothyrsus Meissn . is especially important as a p.oducer of medium - sized fuelwood . C. calothrus is a native species growing ...

A Strategic Proposal for Rural Development International Fund for Agricultural Development ... Trees are cut for fuelwood and for other uses and the soil is turned very frequently for annual crop cultivation . While some farmers know ...

The Smithsonian Tropical Research Institute is conducting a major Acacia managium planting trial , the University of Panama has received international funding for testing the nitrogen - fixing properties of Leucaena species , and agro ...

( 31649 ) Resumen : This paper briefly reviews research with Leucaena leucocephala ( Leucaena ) and other species ... developing acid soil tolerant Leucaena genotypes for large areas of Tropical America where existing cultivars of ...

The strategic purpose of this research line is to develop options for forest and biodiversity management systems that are ... economically attractive , socially acceptable and that can be applied to different types of forests .