Barker, Allen V.   x <br/><br/>
Science and technology of organic farming   x  

 - x 
 - London   CRC Press   2010 
 - 224 
<br/><br/>
<br/><br/><label>ISBN: </label>9781439816127 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organic farming  Agricultural chemistry  
<br/><br/><label>Dewey Class. No.: </label>631.584/B223s