Howard D. <br/><br/>
Encyclopedia of organic farming Vol.V Organic methods in farms &Orchards:Lessons for specific crops 

 - 1st 
 -  Dominant Publishers and Distributors, New Delhi  2008 
<br/><br/><label>ISBN: </label>81-8128-545-X 
<br/><br/><label>Dewey Class. No.: </label>631.41703HOW