Report of a workshop on cropping systems research in Asia / 

 - Los Ba�nos, Philippines :  The Institute,  1982. 
 - 756 p. :  ill. ;  23 cm. 
<br/><br/> Papers from the Cropping Systems Conference at IRRI, 3-7 March, 1980--Cf. Foreword. 
<br/><br/><label>ISBN: </label>971104076X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cropping systems<br/>Rice
<br/><br/><label>Dewey Class. No.: </label>631 THE 1982