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Book
Sources of productivity growth in wheat: A review of recent performance and medium-to long-term prospects
(CIMMYT, 1999)
Sources of yield growth in wheat are investigated based on a stylized framework of technical change. Evidence suggests that the relative contribution of input intensification to yield growth has diminished in recent years ...
Book
Farmers' use of improved seed selection practices in Mexican maize: evidence and issues from the Sierra de Santa Marta
(CIMMYT, 1997)
The principal advantage of in situ conservation is that it allows adaptive evolutionary processes to continue in the species that are being conserved. For a cultivated crop species, in situ conservation involves farmers' ...