http://pec.lib.wvu.edu/record/P177371933Variation of yields obtained in small artifically constructed field plats.Journal article reprint from: <em>Journal of the American Society of Agronomy</em>, v.25:no.2 (1933:Feb.).Garber, R. J.Pierre, W. H. (William Henry), 1898-Soil productivity--West Virginia--Research.Sudan grass--Fertilizers--West Virginia--Research.Soybean--Fertilizers--West Virginia--Research.Wheat--Fertilizers--West Virginia--Research.Fertilizers--West Virginia--Research.14256