Yield of barley varieties in the United States and Canada
Wiebe, G.A., Cowan, P.R.
Yield of barley varieties in the United States and Canada - Washington 1940 - 1-78 p. - Yields, Barley United States Department of Agriculture. Technical Bulletin No. 735 .
Yield of barley varieties in the United States and Canada - Washington 1940 - 1-78 p. - Yields, Barley United States Department of Agriculture. Technical Bulletin No. 735 .