Micronutrients in agriculture :  proceedings of a symposium / 
managing editor: Richard C. Dinauer. 
 - Madison, Wis. :  Soil Science Society of America,  1972. 
 - xviii, 666 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trace elements.<br/>Trace elements in nutrition.<br/>Agricultural chemistry.
<br/><br/><label>Dewey Class. No.: </label>630  / .27  / 413