Gershuny, Grace. <br/><br/>
The soul of soil :  a soil-building guide for master gardeners and farmers / 
Grace Gershuny and Joe Smillie. 
 - 4th ed. 
 - White River Junction, Vt. :  Chelsea Green Pub. Co.,  c1999. 
 - xvi, 173 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references (pages [155]-161). 
<br/><br/><label>ISBN: </label>1890132314 (alk. paper) 
<br/><br/><label>LCCN: </label>99020865 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil management.<br/>Organic farming.<br/>Agricultural ecology.
<br/><br/><label>LC Class. No.: </label>S591  / .G45 1999 
<br/><br/><label>Dewey Class. No.: </label>631.4