Report of a workshop on cropping systems research in Asia  
/ International Rice Research Institute  
 - Philippines:   International Rice Research Institute,   1982 
 - vii, 756p.  
<br/><br/><label>ISBN: </label>971-104-076-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Production  Fertilizer