by Humphrey, H. B.
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The preventing of the stinking smut of w...
... Studies in the physiology and morpho...
Studies on the relation of certain speci...
Progress of barberry eradication, 1922
Project reports, progress of barberry er...
The rusts of cereal crops
A proceedings of the XXVI International ...
The Vegetarian Myth
Biotic stress and yield loss
Postharvest decay
Droughts and Crop Failure
Assessment of Crop Loss From Air Polluta...