Yawalkar K S <br/><br/>
Commercial fertilizers in India   Some recommendati    

 -  1962 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:24).2.N6, K2