Research on Farmers ' objectives for tree breeding . Bangkok , Thailand . Winrock International . 132+ iv pp . Simons , A.J. 1992. Genetic improvement of non - industrial trees . Agroforestry Systems , 18 , 197-212 .

Choosing the Right Trees : Setting Priorities for Multipurpose Tree Improvement . The Hague , The Netherlands . ... Strategic con- cepts in the domestication of non - industrial trees . In : Leakey , R.B. and A.C. Newton . ( eds . ) ...

LAS NUEVAS PERSPECTIVAS - LES NOUVELLES PERSPECTIVES Forest tree improvement : an overview with special reference to ... development of tree improvement Genetic improvement of trees is not a new activity : In 16th century Japan , tree ...

Breeding tropical trees : population structure and genetic improvement strategies in clonal and seedling forestry . Edited by G.L. Gibson , A.R. Griffin and ... Commonwealth Forestry Institute ( G.B. ) , Tropical Forestry Papers no .

Estimated Year 1979 1985 Demand for Industrial Wood South East States 116421.4 145301.7 Parana , Santa Catarina Río ... has roughly followed the system of the North - Carolina State University cooperative tree improvement programme .

... industry and other uses . Some controlled experiments have analyzed nitrogen fluctuation , nutrients and biomass of some agroforestry combinations with trees that fix nitrogen and others that do not . Genetic improvement efforts are ...

The careful management ( i.e. , characterization , conservation , improvement and use ) of forest genetic resources is an ... The opportunity cost of not implementing tree improvement programs is proportional to the area to be planted .

CHOICE OF TREE SPECIES In agroforestry systems soil - improving tree species help increase productivity of low - resource ... decreases soil erosion and helps maintain water supply for agricultural , industrial , and domestic use .

CHOICE OF TREE SPECIES In agroforestry systems soil - improving tree species help increase productivity of low - resource ... decreases soil erosion and helps maintain water supply for agricultural , industrial , and domestic use .

To this , one has do add the difficulty of geting healthy seeds from under the trees , since they decompose rapidly or ... Present knowledge of the species and the programs underway on its genetic improvement make . it a very promising ...