Mahatma Phule Krishi Vidyapeeth & College of Agriculture  Pune <br/><br/>
Proceedings of the National Seminar on Organic  Farming   April 18-19  1992 

 -  M P K V, Rahuri 
 - pp 107;   28*22 
<br/><br/><label>Dewey Class. No.: </label>J:25pN92/N92/B19189