Now showing items 1-3 of 3
Technical change, productivity, and sustainability in irrigated cropping systems of South Asia: emerging issues in the post-green revolution era
Recent trends in South Asia's Irrigated cropping systems are analyzed, giving particular attention to systems in which wheat is an important crop. Much of the recent success in increasing food production in South Asia is ...
Technical change and returns to wheat breeding research in Pakistan's Punjab in the post-green revolution period
(CIMMYT; PARC, 1990)
Rates of yield gain and returns to wheat breeding are estimated for Pakistan's Punjab in the period since the introduction of semidwarf varieties. Analysis of two comprehensive data sets indicates that wheat breeders have ...
Sources of growth in wheat yields in Pakistan's Punjab, 1965-2000: is there a sustainability issue?
Wheat yields rose rapidly in the Punjab of Pakistan during the Green Revolution decade, 1966-76, but the rate of growth has been significantly slower in the decade that followed. Official statistics indicate that the yield ...