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随着节水灌溉技术的发展,新疆节水灌溉面积已达到178.53万hm2,其中膜下滴灌棉田面积达到59.133万hm2。滴灌棉田盐碱化是节水灌溉中产生的新问题,春灌是水利措施改良盐碱地的方法之一。通过对新疆巴州试验站膜下滴灌棉田的现场试验数据进行分析,得出合理的春灌淋洗定额,以减轻盐碱对土壤的影响。
With the development of water-saving irrigation technology, the area of water-saving irrigation in Xinjiang has reached 1.7853 million hm2, of which the area of drip irrigation cotton under film is 591.33 million hm2. Salinization of drip irrigation cotton fields is a new problem in water-saving irrigation. Spring irrigation is one of the methods to improve saline-alkali soil in water conservancy measures. Based on the field test data of drip irrigation cotton field in Bazhou Experimental Station of Xinjiang Uygur Autonomous Region, a reasonable spring irrigation leaching quota was obtained to reduce the impact of saline-alkali soil.