Khan, A.A.  <br/><br/>
Agrarian Field Laboratory 

 - Agrarian Research and Training Institute  Colombo  1975 
 - 27p. 
 -  17 .
<br/><br/><label>Nat. Bib. No.: </label>4092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>631.15  / KHA