Browsing by Author "Worsley, R.R."
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Item Derris or Tuba Root(Taylor & Francis, 1940) Worsley, R.R.; Production in East Africa; A.R.C.S., AmaniActive interest has been shown for some time past in the trials being carried out with Derris elliptica at the East African Agricultural Research Station, ,Amani, where a particularly toxic strain of this Malayan fish-poison and insecticide was introduced, via Kew, in 1928. It is now possible to give the yield and cost of production figures for the first normal crop of derris root harvested at Amani, the bulk of previous crops having been used for experimental purposes, or cut as planting material, for which there is a considerable demand in East Africa at present.
