抓化肥机械深施促农机推广发展机械深施化肥技术推广工作，是农业部节本增效工程的重点推广项目。几年来，廊坊市农机技术推广部门积极推广这—新技术，取得了显著的成绩。共推广各种深施化肥机械６３４６台，年机械深施化肥应用面积达１３万公顷，增加社会经济效益５００... Grasp the fertilizer machinery to promote the promotion of agricultural machinery to promote the development of deep chemical fertilizer technology promotion, the Ministry of Agriculture is the cost-effective project to promote the focus of the project. Over the past few years, Langfang Agricultural Machinery Technology Promotion Department to actively promote this - the new technology, and achieved remarkable results. A total of promoting a variety of 6346 units of fertilizer machinery, chemical fertilizer applications in the machinery area of ​​130,000 hectares, increasing social and economic benefits 500 ...