Efferson, John Norman. <br/><br/>
Report on venezualan rice experimental program for 1953 

 - New York ; IBEC Research Institute,  1953 
 - 38 p.  : ilus 
 - IBEC Research Institute  ; 3 .
 - IBEC Research Institute  ; 3 .
<br/><br/><label>LCCN: </label>70574 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arroz--Irrigación.<br/>Arroz--Malas hierbas--Control.<br/>Fertilizantes--Efecto en arroz.