แกล้งดิน is a continent of King Bhumibol Adulyadej. About solving the acid or acid soil by flooding in the area. Until a chemical reaction to acid soils, to the end, then draining off water and adjust a restoration of soil with lime Until the soil is good enough to use in cultivation.After his majesty majesty, great people in Narathiwat Province, when the ๒๕๒๔ is found in peat swamp area with soil water conductance. To bring the land use land, transformed into the acid sulfate soil, crop, ineffective. Thus is initiative to various government agencies, consider to improve the peat swamp area with water แช่ขัง year happen. Used in agriculture as much as possible. And the impact on the ecosystem. Modification of an acid sulfate soils Due to the special soil organic matter Or litter and decomposing on above and lower depth 1-2 meters, soil is Iain gray and blue, which is sulfur compounds. " Compound pyrite (Pyrite: FeS2), so when the soil dry substance pyrite reacted with air release of sulfuric acid. Make the soil into soil acidity or sour Center for the study of political development. Therefore, the meet the Royal Project "แกล้งดิน" to study the changes in acidity of the soil, starting from how to "แกล้งดิน to sour. "The soil is dry and wet times. To accelerate chemical reactions of the soil. Which will encourage of pyrite react with oxygen in the air, releasing the sulfuric acid, an acid soil held until the แกล้งดิน sour extreme. " "Until the point that plants can not grow. Then find out how to improve soils to crops. A method to solve the problem of acid sulfate soil by continent is controlled to prevent ground water is sulfuric acid. The need to control the groundwater over soil Lane containing pyrite. To prevent of pyrite react with oxygen.
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