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Factors affecting adoption of semi dwarf wheats in marginal areas: evidence from the rainfed Northern Punjab
(CIMMYT; PARC, 1991)
This study was undertaken in rainfed Pothwar of the Punjab to assess farmers' wheat varietal choices and factors affecting adoption of semi-dwarf varieties. This tract can be divided into three sub-zones based on rainfall ...
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 ...