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Serial Publication
SADC Maize Newsletter
(CIMMYT, 1996)
Serial Publication
Meeting South Asia's future food requirements from rice-wheat cropping systems: priority issues facing researchers in the post-green revolution era
(CIMMYT, 1996)
The importance of rice-wheat cropping systems in meeting present and future food needs in South Asia is reviewed. Evidence from a number of factor productivity studies, which analyze yield trends after adjusting for changes ...