Farmers, Gene Banks, and Crop Breeding: Introduction and Overview 3 M. Smale, M. Bellon, and P. L. Pingal -- 2 Definition and … Crop Genetic Resources Conserved Ex Situ -- 3 The Cost of Conserving Maize and Wheat Genetic Resources Ex Situ 35 P. G …. Evenson and S. Lemarie -- III Conserving Crop Diversity on Farms -- 6 Farmers’ Perceptions of Varietal Diversity: Implications …

spring wheat at the provincial level across European Russia. We modeled the annual yield potentials from 1995 to 2006 with …

All the scenarios and models made up by the most titled scientists in biology, agriculture, geophysics, and human … and how great the losses will be. Among the many factors to be applied in agriculture in order to get food, the nitrogen … organic and productive-qualitative behaviour in favour of the ammonium nitrate. In wheat crops, the ammonium nitrate is …