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WHEAT PHENOLOGY IN RELATION TO LATITUDE, LONGITUDE AND ELEVATION ON THE CANADIAN GREAT PLAINS

by WILLIAMS, G. D. V.
Published in Canadian Journal of Plant Science (1971)

APPLYING ESTIMATED TEMPERATURE NORMALS TO THE ZONATION OF THE CANADIAN GREAT PLAINS FOR WHEAT

by Williams, G. D. V.
Published in Canadian Journal of Soil Science (1969)

Mesoscale agroclimatic resource mapping by computer, an example for the Peace River region of Canada

by Williams, G.D.V., McKenzie, J.S., Sheppard, M.I.
Published in Agricultural Meteorology (1980)