Green manure production systems for Asian ricelands / 
edited by J.K. Ladha and D.P. Garrity  
 - Philippnes :  IRRI   c1994 
 - 196 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9712200604 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural systems--Asia.<br/>Rice production-- Asia.