Symposium on Cropping Systems Research and Development for the Asian Rice Farmer :  [proceedings] 

 - Los Ba©łos, Philippines :  International Rice Research Institute,  1977 
 - 454 p. :  ill., graphs ;  23 cm 
<br/><br/> Running title: 1976 Cropping Systems Symposium 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Rice<br/>Cropping systems
<br/><br/><label>Dewey Class. No.: </label>633 1977 IRR C142 Or.1