Giller Ken E <br/><br/>
Nitrogen fixation in tropical cropping systems 

 - London  CABI  2001 
 - xviii,423p.;24cm 
<br/><br/><label>ISBN: </label>0-85199-417-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Legumes-tropics