Adams, C R, et al. <br/><br/>
Principles of horticulture 

 - 4 
 -  Butterworth-Heinemann,Oxford  2005 
 - 230 
<br/><br/><label>ISBN: </label>8131200817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Garden crops (Horticulture); Vegetables
<br/><br/><label>Dewey Class. No.: </label>635  ADA-P4