Yieldsj of barley varieties in the united states and canada 1937-41
Wiebe, G.A., Cowan, P.R., Reinbach-Welch, L.
Yieldsj of barley varieties in the united states and canada 1937-41 - Washington 1944 - 1-83 p. - United States Department of A .
Yieldsj of barley varieties in the united states and canada 1937-41 - Washington 1944 - 1-83 p. - United States Department of A .