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crop. This is also the case with rubber between tea, or 

 in old cocoa plantations in Ceylon, but these crops are 

 not entirely suitable for the purpose ; tea requires a too 

 expensive installation and comes too late into production, 

 and the same is the case with cocoa, moreover the 

 latter only gives much of a return when the Hevea 

 shade becomes so heavy that it has to be cut out. 



