A Low-Cost Technology for Improved Irrigation on Lowland Rice 

 - National Seminar on Water Management at Farm Level  1973 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IRRIGATION.<br/>IRRIG.<br/>WATER MANAGEMENT.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>PHILIPPINES.