5.4.5 Subproject Genetic improvement of nitrogen fixing trees 1. To develop and evaluate clones of Erythrina spp . To refine and standardise rooting techniques and biomass production by technique and clones . 2. To validate ...

... Priorities , and Plans for its External Review in 1990 , CATIE , Turrialba , 1989 IDRC , Nitrogen - Fixing Trees ... Tropics : Technology Validation in a Multi - Institutional Context , Presentation to the International Conference ...