สำนักงานราชบัณฑิตยสภา

The Journal of the Royal Society of Thailand Vol. 41 No. 3 July-September 2016 166 In the north, it was more challenge since “Phumi Sangkom” or “geo culture” was very strong for the tribes. It took time (40 years) to change their believe in shiftining cultivation, They usually received opium seeds for free, and they will bought back cheaply together with all gambling facilities, and urge them to play so that the tribes will loose all the money, and went back to grow more opium again. His Majesty the king’s believe it that orchards with temperate fruits would fit for them, and bear fruits every year, after waiting for 4-5 year’s plum and persimmon with bear fruits. It turned out that their produces of flowers and vegetables were very good. The development center near to the market had done very well, showing “our loss is our gain was very clears, the hill tribes were not growing opium any more. Keywords: World Soil Day, 5 th December world soil day, The King of Thailand (Rama 9) birthday ดินโลก