机械深施化肥技术推广应用试验邵武市农机管理总站黄自棋施用化肥是粮食增产的有效措施之一。资料表明，我国粮食增产的５０％是靠化肥取得的。但在许多农村，农民不懂化肥深施技术，采用传统的施肥方法，施肥较浅，掩没不严，造成化肥损失严重，肥料利用率仅３３％左右。... Mechanical Deep Fertilizer Technology Popularization and Application Test Shaowu Agricultural Machinery Management Station Huang Ziqi The use of chemical fertilizers is one of the effective measures to increase grain output. Data show that 50% of China’s grain production is achieved by fertilizer. However, in many rural areas, peasants do not understand the technology of deep fertilization and adopt traditional methods of fertilization. The fertilizers are shallow and masked unscrupulous, resulting in serious loss of chemical fertilizers and fertilizer utilization of only about 33%. ...