甘肃盐渍土及土壤水分改良三环节探讨

甘肃省气候干旱，寒冷，水资源缺乏，盐渍土分面积大，表聚性强，采取治理措施后具有反复性。重点抓好土壤水分改良三环节：抑制地面蒸发，控制地下水位和改进灌溉方式。

Saline Soils in Gansu Province and Discussion on the Three Links of Improving Soil Water

The saline soils in Gansu Province are widely distributed with solutes accumulated on ground surface and always experience setback in their harnessing process owing to the dry and cold climate and the insufficient water resources. According to the basic laws of solutes migrating together with soil water, the problems of saline soil should be tackled in a comprehensive way with local conditions. The emphasis should be put on the three links of improving soil water, i.e., restraining evaporation on the ground surface, controlling ground water table and improving irrigation ways.