河北省盐碱地现状及生态改良建议OA

Saline-alkali land is an important land resource,the management and comprehensive utilization of saline-alkali land is of great significance to the development of cultivated land reserve resources and the protection of grain production capacity. Saline-alkali land is widely distributed in Hebei Province,with a high degree of severity and great potential for development. In recent years,through measures such as farmland water conservancy,chemical improvement,biological improvement and technology promotion,a number of key technologies with regional characteristics have been formed and effectively promoted in Hebei Province. However,there are still problems such as difficult management,deviations in the concept of saline-alkali land development and utilization,and low comprehensive utilization level of saline-alkali land. In this paper,the development status of the saline-alkali land in Hebei Province,the existing problems and causes of treatment were expounded. Based on this,the ecological improvement suggestions of saline-alkali land were proposed,including accelerating the research and development of technologies such as water resources utilization and soil improvement,strengthening the breeding,development and promotion of crop varieties suitable for saline-alkali land,selecting suitable plants according to local conditions,increasing capital investment and policy support,and promoting the development of saline-alkali land characteristic agriculture through scientific and technological innovation,so as to improve the comprehensive utilization level of saline-alkali land in Hebei Province and promote the sustainable development of saline-alkali land characteristic agriculture.