Reijntjes, Coen. <br/><br/>
Farming for the future. 
 An Introduction to low external-input and sustainable agriculture 

 - London :  MacMillan Press,  1992. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0333570111 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture.<br/>Agriculture.