Van Holm, L <br/><br/>
Efficient use of sustainable biological nutrient management systems  research report 1991 - 1995 

 - Kandy  BNF Project  1996 
 - 168 p.   
<br/><br/><label>ISBN: </label>9552600367 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>633.18  / EFF