Turpan, which is known as a natural greenhouse, enjoys abundant sunshine in the spring, autumn and winter, and the temperature is much higher than other regions, states, and cities in Xinjiang. It is extremely beneficial to the development of early spring vegetable production and postponed production of autumn vegetables, and its advantage is the highest in Xinjiang. Therefore, in recent years, the growing area of ​​vegetables in Turpan has continued to expand, accounting for more than 80%. Through the survey, it was found that on the one hand, a large number of vegetables were transported by the outside and they required to expand the planting area. On the other hand, there was a shortage of irrigation water and there was a phenomenon of various crops competing for water, which restricted the expansion of the planting area of ​​vegetables. Poor irrigation methods not only waste water, but also affect vegetable yield and quality. Through experiments, some vegetable cultivation and water-saving irrigation technologies that are suitable for local conditions and easy to promote have been developed. Control of the soil moisture content during planting requires the use of a soil moisture meter for accurate measurements.
The test station is located 10 kilometers south of Turpan City, 75.0†meters above sea level, and the water level is 13 meters. The soil is of sandy soil, total salt is 0.046 intestine, organic matter is 0.26, PH value is 8.47, average annual temperature is 14-16°C,) 10°C. Accumulation temperature is above 5500°C, average frost-free period is more than 300 days, average annual precipitation is 16mm, and water shortage is caused by drought. The experiment adopts contrast method, and three treatments of drip irrigation, membrane irrigation, and furrow irrigation are set up according to the irrigation method, and repeated for 3 times, 9 communities. The area of ​​the plot is 66.7m2 and the total area is 666.7m2.The test variety is tomato, and the soil moisture measuring instrument is used to measure the soil moisture content.
According to the analysis of soil moisture meter, soil moisture in drip irrigation and membrane irrigation is mainly concentrated. Between 40 cm, just in line with the distribution of plant roots. Due to high mulching film coverage, low surface evaporation and little soil moisture change, most of the soil moisture is between the appropriate moisture content of crop growth, which is conducive to crop growth and development. However, furrow irrigation is contrary to their situation. In general, crops are in a state of water shortage and affect the growth and development of crops. Drip irrigation and membrane irrigation are covered by plastic film and have greenhouse effect. The previous period has obvious effect of increasing temperature. Compared with unfoiled furrow irrigation, the daily average temperature increase is 2.84°C to 3.90°C (see Table 2). The evaporation of water in the membrane is small, the surface moisture content is large, the heat capacity of water is increased, and the change of ground temperature is small, which is favorable for the absorption of water and nutrients by the plant roots.
The analysis of the effect of drip irrigation method on soil moisture content by soil moisture measuring instrument found that drip irrigation is an accurate irrigation method and membrane irrigation is similar to drip irrigation. They can evenly moisten the root soil and can greatly reduce the deep leakage. The mulching of the mulching film is greatly reduced and the larvae are well preserved. Drip irrigation and membrane irrigation can create a good water, fertilizer and air-heat environment for crop growth and development. Its roots are well developed and concentrated in 30 om layers, shortening the distance between water and fertilizers to the root system, improving the effectiveness of water and fertilizer, drip irrigation, and membranes. The irrigation and development of the upper irrigation is fast, which undoubtedly lays a good foundation for the formation of the yield of the plant.
The test station is located 10 kilometers south of Turpan City, 75.0†meters above sea level, and the water level is 13 meters. The soil is of sandy soil, total salt is 0.046 intestine, organic matter is 0.26, PH value is 8.47, average annual temperature is 14-16°C,) 10°C. Accumulation temperature is above 5500°C, average frost-free period is more than 300 days, average annual precipitation is 16mm, and water shortage is caused by drought. The experiment adopts contrast method, and three treatments of drip irrigation, membrane irrigation, and furrow irrigation are set up according to the irrigation method, and repeated for 3 times, 9 communities. The area of ​​the plot is 66.7m2 and the total area is 666.7m2.The test variety is tomato, and the soil moisture measuring instrument is used to measure the soil moisture content.
According to the analysis of soil moisture meter, soil moisture in drip irrigation and membrane irrigation is mainly concentrated. Between 40 cm, just in line with the distribution of plant roots. Due to high mulching film coverage, low surface evaporation and little soil moisture change, most of the soil moisture is between the appropriate moisture content of crop growth, which is conducive to crop growth and development. However, furrow irrigation is contrary to their situation. In general, crops are in a state of water shortage and affect the growth and development of crops. Drip irrigation and membrane irrigation are covered by plastic film and have greenhouse effect. The previous period has obvious effect of increasing temperature. Compared with unfoiled furrow irrigation, the daily average temperature increase is 2.84°C to 3.90°C (see Table 2). The evaporation of water in the membrane is small, the surface moisture content is large, the heat capacity of water is increased, and the change of ground temperature is small, which is favorable for the absorption of water and nutrients by the plant roots.
The analysis of the effect of drip irrigation method on soil moisture content by soil moisture measuring instrument found that drip irrigation is an accurate irrigation method and membrane irrigation is similar to drip irrigation. They can evenly moisten the root soil and can greatly reduce the deep leakage. The mulching of the mulching film is greatly reduced and the larvae are well preserved. Drip irrigation and membrane irrigation can create a good water, fertilizer and air-heat environment for crop growth and development. Its roots are well developed and concentrated in 30 om layers, shortening the distance between water and fertilizers to the root system, improving the effectiveness of water and fertilizer, drip irrigation, and membranes. The irrigation and development of the upper irrigation is fast, which undoubtedly lays a good foundation for the formation of the yield of the plant.