Changes in wheat varieties and yields in the United States, 1919-1984
Dalrymple, D.G.
Changes in wheat varieties and yields in the United States, 1919-1984 - 1988 - Printed
references. Literature review
English
0002-1482
Crop yield
Farm area
History
Production
Statistics
Technical progress
USA
Varieties
Triticum
Yields
89-127129
Changes in wheat varieties and yields in the United States, 1919-1984 - 1988 - Printed
references. Literature review
English
0002-1482
Crop yield
Farm area
History
Production
Statistics
Technical progress
USA
Varieties
Triticum
Yields
89-127129