Whitehead, D. C. <br/><br/>
Grassland nitrogen / 
D.C. Whitehead. 
 - Wallingford, Oxon, UK :  CAB International,  c1995. 
 - xv, 397 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0851989152 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Grasslands.<br/>Animal-plant relationships.<br/>Plant-soil relationships.<br/>Nitrogen fertilizers.