Seminar on Fertiliser Agriculture and National Economy; Proceedings 

 - Delhi  Fertiliser Association of India India     1990 
 - V P  cm. 
<br/><br/><label>Standard No.: </label>105819 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>"X9(J:24)p2,N89, N0"