The problem with agricultural work such as organic soil or clay soil crust of sour, salty clay soil, lateritic soil and gravel shallow. Lack of soil fertility7. Black tiger shrimp farming in fresh-water areas.
Issues such as acid sulfate soil for agriculture. Organic soil or peat soil Saline soil, gravel, gravel and shallow soil fertility, lack 7. The black tiger shrimp farming in fresh water.
Soil problems of agriculture, including acid sulfate soils, soil organic matter soil or peat soil, saline soil กรวดลูกรัง and shallow soils, soil lack of fertile