Potassium in agriculture :  proceedings of an international symposium held 7-10 July 1985 in Atlanta, Georgia / 
edited by Robert D. Munson ... (et al.). 
 - Wisconsin, USA. :  American Society of Agronomy,  1985. 
 - 1223 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: p.1173-1175 
<br/><br/><label>ISBN: </label>0891180869 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Potassium in agriculture--Congresses.<br/>Potash industry and trade--Congresses.