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湖北省广水市农资公司农药科技股股长、农艺师曹宏经过几年的悉心钻研,成功探索出化肥插管渗施技术。现将该技术及其使用要点向农民朋友介绍如下: (一)插管制作 取长20～25厘米、直径2～3厘米、管壁厚3～5毫米的塑料管一根。将塑料管底部制成圆锥形(便于插入土壤中),在塑管四周(含下端圆锥体)均匀钻成直径为1～2毫米的小圆孔。塑管的顶口部用稍大的塑
Agricultural Science and Technology, Guangshui City, Hubei Province, agricultural science and technology unit chief, agronomist Cao Hong after years of careful study, successfully explored the technology of chemical fertilizer intubation. Now the technology and its points of use to farmers friends introduced as follows: (a) intubation take take 20 to 25 cm long, 2 to 3 cm in diameter, the tube wall thickness of 3 to 5 mm of a plastic tube. The bottom of the plastic tube made of conical (easy to insert into the soil), in the plastic pipe around (including the lower cone) into a uniform diameter of 1 to 2 mm small holes. Plastic pipe top mouth slightly larger plastic