by Carlos Grant Williams, Charles Embree Thorne, Ernest Browning Forbes, Frank H. Ballou, John Jackson Crumley, John W. Ames, Ohio Agricultural Experiment Station, William H. Goodwin
Influence of Various Factors on the Phosphorus, Potassium and Nitrogen Content of the Wheat Plant
by Carlos Grant Williams, Charles Embree Thorne, Ernest Browning Forbes, Frank H. Ballou, John Jackson Crumley, John W. Ames, Ohio Agricultural Experiment Station, William H. Goodwin
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