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the latex and smoking the rubber were also explained. This 
demonstration was of particular interest in connection with a very 
able lecture on Rubber Cultivation delivered by Dr. Cramer, 
Director of Agriculture, Surinam, whose presence at the Conference 
as representative of Surinam was highly appreciated. Dr. Cramer 
drew upon his wide experience of rubber cultivation in Java and 
spoke strongly against the policy of clean weeding except in very 
exceptional situations. The necessity of a covering to the ground 
on hillside plantations was forcibly insisted upon, as also the 
necessity of liberal mulching, and there can be no doubt from what 
I was able to see of Cacao plantations in Dominica and Trinidad 
that the same remarks undoubtedly hold good in the case of Cacao. 
The subjects for discussion at the Conference were allocated to 
a few of the members of the Conference. In the course of the 
discussion I was glad to have the opportunity of expressing the 
very favourable opinion I had formed of the value of Mr. Jones’ 
