Mulongoy, K...(ed.) <br/><br/>
Biological nitrogen fixation and sustainability of tropical agriculture 
K...(ed Mulongoy 
 - New York   John Wiley  1992 
<br/><br/><label>ISBN: </label>978-0-471-93560-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Botany
<br/><br/><label>LC Class. No.: </label>QR89.7 .I57