Exploration and analysis of development model of sustainable plant production system of small rubber plantation in order to cope with the effects of depressed timber price problem in the southern area of the lower steps.
Survey and analysis of the development of sustainable crop production systems of small farmers to cope with the effects of the downturn in the price of oil in the Deep South.
Exploration and analysis of development model of sustainable crop production system of small rubber to cope with the rubber prices down in southern area at the bottom.