山西省汾河灌区位于晋中盆地底部,是该省目前最大的自流灌区。有盐碱地25万亩,这些地方由于地形低洼,排水出路不畅,治理速度也比较缓慢。为了给盐碱地治理找到更有效的途径,汾河灌区管理局在平遥县香乐村,进行砂孔改碱试验,从1979—1984年,经过五年 Fenhe Irrigation District in Shanxi Province is located in the bottom of Jinzhong Basin, is the province’s largest gravity irrigation area. There are 25 million mu of saline and alkali land, these places due to low-lying terrain, poor drainage outlets, treatment speed is relatively slow. In order to find a more effective way for the treatment of saline-alkali land, Fenhe Irrigation Administration conducted a sand-hole remediation experiment in Xiangle Village, Pingyao County. From 1979 to 1984, after five years