National Agricultural Research 

 - Agriculture Organization of the United Nations  Rome  1984 
 - 95p.  Table 
<br/><br/><label>ISBN: </label>92-5-101464-7 
<br/><br/><label>Nat. Bib. No.: </label>6626 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>630  / NAT