Thenabadu, Mervyn W <br/><br/>
Use of fertilizers and manures in Sri Lanka 

 - Colombo  National Science Council of Sri Lanka  1980 
 - 42p.  Illustration 
 - Science education series ; no 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE<br/>FERTILIZERS<br/>MANURES<br/>SRI LANKA
<br/><br/><label>Dewey Class. No.: </label>631.8  / THE