Quantative theory in soil productivity and environmental pollution :  proceedings of a Royal Society Discussion meeting held on 7 and 8 Mardh 1990 / 
Organized and edited by D.J. Greenwood, P.H. Nye and A. Walker. 
 - London :  The Royal Society,  1990. 
 - 120 p. :  ill. 
<br/><br/><label>ISBN: </label>0854034218 
<br/><br/><label>LCCN: </label>92024220     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil productivity.<br/>Land use.<br/>Pesticides in soil<br/>Agroforestry