Soil restoration 
edited by R. Lal and B. A. Stewart ; with contributions by J. K. Cronk ... (et al.). 
 - New York  Springer-Verlag  1992. 
 - 456 pages ;    27 cm. 
 - Advances in soil science  v.17 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation<br/>Soil management