Beets, Willem C. <br/><br/>
Multiple cropping and tropical farming systems / 
Willem C. Beets. 
 - Hampshire :  Gower,  1982. 
 - 156 p. :  ill. ;  22 cm. 
<br/><br/>Bibliography : p.146-152 and indexes. 
<br/><br/><label>ISBN: </label>0566006057 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Crop yields.