Nitrogen and rice  
/ International Rice Research Institute  
 - Philippines:   International Rice Research Institute,   1979 
 - v, 499p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Soils  Fertilizer  
<br/><br/><label>Universal Decimal Class. No.: </label>633.18:631.84   / L9