MInistry of Agriculture, Department of Agriculture and Coopertion, Government of India <br/><br/>
First national conference on bio-fertilizers and organic farming 

 - Madras  Govt of Tamil Nadu  1993 
 - 97p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>Dewey Class. No.: </label>631.847  / TAM