Mostrando ítems 1-10 de 26
Multilineas : gran proporcion a salvo
The private and public characteristics of maize land races and the area allocation decisions of farmers in a center of crop diversity
This study uses an approach derived from models of the private and public characteristics of goods to illustrate (1) the overriding importance of variety attributes in farmers' decisions to allocate area among varieties ...
The contribution of genetic resources and diversity to wheat productivity : a case from the punjab of Pakistan
This study makes use of data on wheat production in the Punjab of Pakistan from 1979 to 1985 to 1) examine patterns of varietal diversity in farmers' fields both at the regional and district levels and 2) identify how and ...
Impact of CIMMYT varieties on the genetic diversity of wheat in Australia, 1973-1993
Wheats derived from germplasm developed by the International Maize and Wheat Improvement Center (CIMMYT) have been grown widely in Australia since the early 1970s. The impact of CIMMYT germplasm on the genetic diversity ...