Soil quality for crop production and ecosystem health / 
edited by E. G. Gregorich and M. R. Carter. 
 - Amsterdam :  Elsevier,  1997. 
 - xv, 448 p. :  ill. ;  25 cm. 
 - Developments in soil science ;  25 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0444816615  RM992.94 
<br/><br/><label>LCCN: </label>97-041578 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soils--Quality.<br/>Soils--Analysis.<br/>Soil ecology.<br/>Crops and soils.