【作者】 杨树青； 史海滨；

【Author】 YANG Shu - qing,SHI Hai - bin (College of Hydraulic and Civil Engineering, Inner Mongolia Agricultural University, Huhhot 010018,China)

【机构】 内蒙古农业大学水利与土木建筑工程学院；

【摘要】 系统引进SWAP2.0模型,预测了微咸水灌溉对土壤水盐动态、作物生长及产量等环境因子的动态变化,试验地点为内蒙古河套灌区红卫田间试验区,引用黄河水和高矿化度地下水混合进行灌溉。微咸水灌溉期间,土壤盐分增加,在合理的黄河水秋浇灌溉后,土壤盐分降到微咸水灌溉前的水平,土壤盐分年度内保持了动态平衡。微咸水灌溉条件下,作物长势及产量基本不受影响.微咸水灌溉不会造成环境恶化。这一结论在SWAP模型模拟结果中也得到了证实,建立的SWAP模型可以用来对试验区微咸水灌溉作出较为准确的预报,为河套灌区发展微咸水灌溉打下基础。更多还原

【Abstract】 SWAP2.0 model was introduced systematically, and dynamic variation of environmental factors, crop growth and yield with light saline water irrigation were predicted. The experiment was conducted in Hongwei Field Experimental Station of Hetao Irrigation District. Irrigation water is the mixture of Yellow River water and groundwater with high salinity. During the period of light saline water irrigation, soil salinity increased. After normal autumn irrigation using Yellow River water, the soil salinity reached the annual dynamic balance. Under the condition of light saline water irrigation, the crop growth and yield were not influenced. Saline water irrigation did not lead the environment deterioration. The results were also verified in SWAP Model. So the SWAP model may make predictions of light saline water in experimental area. This study would have a contribution on light saline water irrigation in Hetao area.更多还原