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

 - Colombo  National Science Council  1980 
 - iii,42p.  23cm 
 - Science education series No. 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers,soil conditioners,growth regulators<br/>Agriculture and related technologies<br/>Specific techniques
<br/><br/><label>Dewey Class. No.: </label>631.8  / THE