Buscar
Mostrando ítems 1-2 de 2
Book
Technical change and wheat productivity in the Indian Punjab in the post green revolution period
(CIMMYT, 1992)
Major changes in the wheat economy of Punjab State, India, since the Widespread adoption of modern varieties (MVs) in the early 1970s, are summarized from an analysis of trends in micro-level farm data and by using an index ...
Book
Crop management research and extension: The products and their impact on productivity
(CIMMYT, 1992)
This study presents a methodology (in five steps) for assessing the impact of information and technologies generated by a crop management research (CMR) program. The methodology is demonstrated by estimating the return to ...