... fullunderstanding of the principles and tactics of conducting each of the above farmingactivities.Table 1. Number of people who usedinsecticides before and after the FFS training.InsecticidesprayBeforeFFSAfterFFSTotalYes180133313No 17 6481Total1 97 1 97 394Pearson ... program trainers and extensionofficers in Vietnam”. As planned, the manualincludes up - to - date informationabout cashewbotany, breeding, culture practice, diseases and their control, insect ... Vietnameseconditions. An ICI manual and an ICI photo book that work in Vietnam have been developed at 500 and 3000copies, respectively, and used in the TOT and FFS training, and the positive commentson the materials...