N Vasuki <br/><br/>
Effect of continuous application of heavy doses of ammonium sulphate on the availability of copper, manganese and zinc 

 - M Sc (Agri) 
 - Bangalore  University of Agricultural Sciences, Bangalore  1973 
 - 78p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>630  / VAS