化肥深施技术推广中的几个问题宁夏盐池县农机化总公司何永沛，陶维华盐池县属于典型的干旱半干旱“老、少、边、穷”地区。近年来，为了解决农民温饱，使粮食生产上台阶，县委、县政府下大力气改善农业生产条件，从提高肥料利用率入手，拿出专款用于化肥深施技术的试验与... Several Issues in the Promotion of Deep Fertilizer Application Techniques Ningxia Yanchi Agricultural Machinery Corporation He Yongpei and Tao Weijia Yanchi County belongs to the typical areas of “old, few, marginal and poor” in arid and semi-arid areas. In recent years, in order to solve the problem of peasant food and clothing and grain production, the county party committee and county government made great efforts to improve agricultural production conditions, started with the improvement of fertilizer utilization rate and took out special funds for the experiment of ...