Giller, Ken. E.  . <br/><br/>
Nitrogen fixation in tropical cropping systems /  
by Ken .E. Giller. 
 - 2nd ed /  
 - UK :   CABI Publishing ,   2001 
 - xvii, 423p :  
<br/><br/><label>ISBN: </label>0-85199-417-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nitrogen-Fixing plants-Tropics
<br/><br/><label>Dewey Class. No.: </label>I:424  / P1