论文部分内容阅读
干旱半干旱区盐碱地造林展望李玉空,樊文颖,董锦兰一、盐碱地的治理措施:1.洗盐排盐,排除土壤盐分,以水利工程措施为主,搞好排灌配套体系。通过灌水淋洗土壤表层盐分,排盐控制地下水位,防止盐分向地表聚积。2.改善土壤理化性状,提高土壤肥力。通过深翻深耕,...
Arid and Semiarid Areas Saline-alkali Land Afforestation Prospects Li Yukong, Fan Wenying, Dong Jinlan First, the saline-alkali land management measures: 1. Wash salt and salt to exclude soil salinity, mainly water conservancy projects, improve irrigation and drainage system. Rinsing the soil surface salt by irrigation, salt control of groundwater levels to prevent salt accumulation to the surface. 2. Improve soil physical and chemical properties, improve soil fertility. Deep plowing through deep plowing, ...