Use of the exponential yield curve in fertilizer experiments
Spillman, W.J.
Use of the exponential yield curve in fertilizer experiments - Washington 1933 - 1-67 p. - Yield, Curve, Fertilizer, Experiments United States Department of Agriculture. Technical Bulletin No. 348 .
Use of the exponential yield curve in fertilizer experiments - Washington 1933 - 1-67 p. - Yield, Curve, Fertilizer, Experiments United States Department of Agriculture. Technical Bulletin No. 348 .