Soil salinitySalt (saline soil) soil means soil that contains a quantity of salt dissolved in the soil solution is too much effect. Impact on growth and productivity of crops due to lack of water causes the plant occurs, symptoms and toxic ion accumulation is in too many plants, it also causes an imbalance of nutrients by plants. Characteristics of soil salt and spread occurred. Soil salinity in the country is divided into two major categories, namely Thailand soil salinity and soil salinity seaside. Soil salinity of soil salinity land both North East and Central soil salinity. Soil salinity is occurring. The type of salt. Propagation characteristics, environment and geography. Is as follows: Salted soil, Northeast Rock salt salt derived from source to ground Ground water salinity, or sandstone-schist at salt memorable. Another feature is the salty, there is no consistency in the same area, and the salinity is between different layers of soil depth, which has been changed according to the season. Characteristics of soil salt that is based on the surface and the salt khui is empty or has not been made, there are salt-resistant agricultural weeds, such as barbed wire red. Barbed wire, years, etc. Soil salinity in the central region Brackish water sources with salt or salt sediments resulting from the call for a long time or is caused by underground water is salty and shallow depth. When the underground water flowing through the land surface not to salt source salt below the soil where it becomes salted ground below this with each of the reasons for the occurrence of terrain spread out so much. The vast majority of human-caused by too much water to use. Results of salt water to overflow to replace irrigation To make irrigation canal, as well as the creation of the reservoir to be used at the farm on the area with salt water or the deposit of sediment from excavation soil to make pages, sedimentation, saltwater will only become a source of contagion is salt.Soil salinity seaside Reasons for the occurrence of soil salinity because of the beach has been influenced by fluctuations of the sea directly. The composition of the salts in the soil salinity is caused by a combination of elements that have their prachubuak sodium. Magnesium, calcium, combined with the negative charge, such as chloride, sulphate, a chemical bicarbonate and carbonate soil salinity that occurs in the Northeast is in the form of salt, sodium chloride (NaCl) similar to Earth, but the Earth salted, salted along the beach. There is a magnificent residential Palace Hotel is located in chloride, and sulfate than. Best kind of salt in soil salinity in the central region there are many, many images that are not salt NaCl but is most often found in the form of salt, sulfate, chloride, bicarbonate or carbonate of magnesium. Calcium and sodium Why the spread soil salinity Salt occurs as the soluble salt well water or treating her as a means to accumulate in the salt water flowing through, which is the cause of the spread of soil salinity. Of natural causes. Rock or mineral-salt decomposed or decayed ruins is to. The chemical and physical process will liberate the various salt out of salt, these can accumulate on the water, and then a movements or absorbed into the ground, or absorbed back on the surface of the water by evaporation by the Sun or power plant apply ground water salinity level near phi.Wadin River on Earth, it is this absorption of up to put up with salt water after evaporation, drying, it will make the rest of salt accumulating on the surface, and that the group is of water. This source of water most of the time there will be very little salt is dissolved, it is also for the accumulation of salts by evaporation of water in the area is the old swamps or lakes. Due to the actions of human beings. การทำนาเกลือ ทั้งวิธีการสูบน้ำเค็มขึ้นมาตากหรือวิธีการขูดคราบเกลือจากผิวดินมาต้ม เกลือที่อยู่ในน้ำทิ้งจะมีปริมาณมากพอที่จะทำให้พื้นที่บริเวณใกล้เคียงกลายเป็นพื้นที่ดินเค็มหรือแหล่งน้ำเค็ม การสร้างอ่างเก็บน้ำบนพื้นที่ดินเค็มหรือมีน้ำใต้ดินเค็ม ทำให้เกิดการยกระดับของน้ำใต้ดินขึ้นมาทำให้พื้นที่โดยรอบและบริเวณใกล้เคียงเกิดเป็นพื้นที่ดินเค็มได้ การชลประทานที่ขาดการวางแผนในเรื่องผลกระทบของดินเค็มมักก่อให้เกิดปัญหาต่อพื้นที่ซึ่งใช้ประโยชน์จากระบบชลประทานนั้นๆ แต่ถ้ามีการคำนึงถึงสภาพพื้นที่และศึกษาเรื่องปัญหาดินเค็มเข้าร่วมด้วย จะเป็นการช่วยแก้ไขปัญหาดินเค็มได้วิธีหนึ่งและการตัดไม้ทำลายป่า ทำให้สภาพการรับน้ำของพื้นที่ไม่มีประสิทธิภาพ ทำให้เกิดปัญหาตามมาอย่างมากมายจากสภาพทางอุทกธรณีของน้ำเปลี่ยนแปลงไป แทนที่พืชจะใช้ประโยชน์กลับไหลลงไปในระบบส่งน้ำใต้ดินเค็มทำให้เกิดปัญหาดินเค็มตามมา Salted soil management practices To prevent the spread of soil salinity. We also need to consider the reasons of birth Performed by engineering methods. The way through science, and how a combination of the two methods. Engineering methods will need to be considered to reduce or cut off the flow of underground water flows in the balance of nature, the most. Do not add salt in underground water level of the group. The way through political science by using plants, such as tree planting to prevent soil spreading salt. The water area is assigned to tree planting. Planting Woody or deep roots grow faster with wood. Use of water on the area of water, to make the balance water and underground water in the area, reducing the salinity of the soil can be edited in the basin is irrigation. How to mix Correction of lower salinity of soil, can grow plants. By using the water wash the salt from the soil and improve soil. Soil salt memorable can be removed by washing by water. To clear the land and water, and the water is held from time to time. Continuous use time to solve soil salinity is faster, but requires a lot of water quantity. The present section of the water it takes to solve soil salinity, water-saving, but slow. Salted soil area, the benefit is. Do not leave an empty ground by covered or crops productivity by changing crop plant is appropriate, such as an saosot plant salt resistance. Plants like salt.
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