FT—l型多用途碳按追肥机由北京农业工程大学研制。以深施碳酸氢镇为主，也可兼施尿素、磷钦等流动性好的化肥，主要用于小麦、玉米等作物的追肥作业，并可用于播种玉米、大豆及机械脱绒的棉籽，还可在麦垄间进行套播作业与套施底化肥，一年可可以使用3～6个生产季节。ZFT—l型 FT-l multi-purpose carbon by the top-dressing machine by the Beijing Agricultural Engineering University. In the town of deep bicarbonate, but also with urea, phosphorus and other good liquid fertilizers, mainly for wheat, corn and other crops top dressing operations, and can be used for sowing corn, soybeans and mechanical velvet cottonseed, but also In the ridge between the sowing operations and set fertilizer, a year can be used 3 to 6 production seasons. ZFT-l type