Diversification of paddy lands in Yala season 
Causes consequences and constraints 
 - Colombo  Hector Kobbekaduwa Agrarian Research and Training Institute  2013 
 - ix, 58 p.- 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultural methodsCrop diversificationSustainableagriculture
<br/><br/><label>Dewey Class. No.: </label>338.162  / SRI