Proceedings of the cropping systems workshop  

 - Philippines  International Rice Research Institute  1975 
 - vii396p.  28cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CEREALS<br/>RICE<br/>FIELD AND PLANTATION CROPS
<br/><br/><label>Dewey Class. No.: </label>633.18  / PRO