Lockard, R. G. <br/><br/>
Mineral deficiency symptoms of cacao grown in sand-culture / 
by R. G. Lockard, P. Vamathevan [and] S. Thamboo. 
 - 20 pages :  illustrations ;  24 cm. 
 - Bulletin ;  no.107. .
 - Bulletin ;  no.107. .
<br/><br/>Includes bibliographical references : (p.19-20). 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cacao--Malaysia.