Katayama, K. <br/><br/>
Roots and nitrogen in cropping systems of the semi-arid tropics 

 - 1st 
 - Japan  Library of Congress Cataloging Publications  1996 
 - 691p. 
<br/><br/> 18683 
<br/><br/><label>ISBN: </label>4906635016 
<br/><br/><label>Dewey Class. No.: </label>753.54 KAT-R