The complete technology book on :  bio-fertilizer and organic farming /  [textbook] 
by NIIR Board 
 - Delhi :  National Institute of Industrial Research, 
 - 620 pages :  illustrations ;  20 cm 
<br/><br/>Includes bibliographic reference and index. 
<br/><br/><label>ISBN: </label>8186623841 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bio-fertilizer --organic manures--Organic farming
<br/><br/><label>LC Class. No.: </label>S654  / COM