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The Contribution of Genetic Resources and Diversity to Wheat Production in the Punjab of Pakistan
Author(s) -
Smale Melinda,
Hartell Jason,
Heisey Paul W.,
Senauer Ben
Publication year - 1998
Publication title -
american journal of agricultural economics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.949
H-Index - 111
eISSN - 1467-8276
pISSN - 0002-9092
DOI - 10.2307/1244551
Subject(s) - diversity (politics) , variance (accounting) , productivity , yield (engineering) , production (economics) , popularity , genetic diversity , crop , green revolution , agronomy , statistics , geography , agroforestry , mathematics , biology , agriculture , ecology , economics , demography , sociology , economic growth , political science , population , materials science , accounting , macroeconomics , anthropology , law , metallurgy
Recent criticisms of the “green revolution” wheats concern the effects of their popularity on crop diversity and the consequences for productivity and conservation. We use a Just‐Pope production function to test the relationship of genetic resource and diversity variables to mean and variance of wheat yields in the Punjab of Pakistan. In irrigated areas, greater area concentration among varieties is associated with higher mean yields. In rainfed districts, genealogical variables are associated positively with mean yield and negatively with yield variance. Further research is needed to overcome data limitations, capture biological relationships more accurately, and specify a fuller decision‐making model.