Advances in agronomy 

 - Orlando :  Academic Press,  1984- 
 - v. :  ill. ;  23 cm. 
<br/><br/> Editor : vol. 37-40-N. C. Brady, vol. 98-Donald L. Sparks 
<br/><br/><label>ISBN: </label>0120007371 9780123743558 (vol.98)  RM598.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture<br/>Agronomy