Powers Laura E <br/><br/>
Ecological principles of agriculture 

 - New York       Delmar          2000 
 - xi,433p 
<br/><br/> Includes bibliographical references; Appendix I-IV, 398-415p; Index 417-433p 
<br/><br/><label>ISBN: </label>0766806537 (pbk) 
<br/><br/><label>Standard No.: </label>7976 
<br/><br/><label>Source: </label> Researchco,  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Ecology<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:95, P0