Fertilizer for Rubber  Advisory Circular No : 2013/04 

 - Rathmalana  Rubber Research Institute of Sri Lanka  2013 
 - 10 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOOKS BOX B1022<br/>RUBBER CULTIVATION<br/>RUBBER PRODUCTION
<br/><br/><label>Dewey Class. No.: </label>B1022  / LDC