Hector Kobbekaduwa Agrarian Research and Training Institute Munaweera, T.P. Samarasinha, G.G.de.L.W. <br/><br/>
Potentials and constraints of biopesticide and biofertilizer usage and production in Sri Lankan agriculture 

 - Colombo  Hector Kobbekaduwa Agrarian Research and Training Institute  2019 
 - viii, 48 pages 
 - Working paper no:12 .
<br/><br/> Include references 
<br/><br/><label>ISBN: </label>9789556122473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pest control
<br/><br/><label>Dewey Class. No.: </label>632.9  / HEC