Fertilizer technology and usage :  proceedings of a short course sponsered by the Soil Science Society of America and held at Purdue University, Lafayette, Indiana, February 12-13, 1962 / 
edited by Malcolm H. McVickar, G. L. Bridger, Lewis B. Nelson. 
 - Madison :  Soil Science Society of America,  1963. 
 - xv, 464 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers.<br/>Fertilizer industry--United States.