Autor: Thomas S. Walker

Ajutor

2 Ebooks de Thomas S. Walker

Thomas S. Walker & Jeffrey Alwang: Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa
Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvemen …
EPUB
Engleză
DRM
€214.99
Jeffrey (Virginia Polytechnic Institute and State, USA) Alwang & Dr Thomas S. Walker: Crop Improvement, Adoption and Impact of Improved Varieties in Food Crops in Sub-Saharan Africa
Following on from the CGIAR study by Evenson and Gollin (published by CABI in 2003), this volume provides up-to-date estimates of adoption outcomes and productivity impacts of crop variety improvemen …
PDF
Engleză
DRM
€187.07