冬季存放的农机具应怎样防止生锈呢？首先要用干净的棉布擦去农机具表面尘土污垢，再用以下方法除锈和防锈。１硫酸氨液除锈　配制１∶２０－２５的硫酸氨水溶液，倒在陶瓷缸里，把生锈的农机具零配件放在里面泡２４小时后铁锈会浮在水面。取出零件用布擦净锈迹，用清水冲洗 Agricultural machinery stored in winter should be how to prevent rust? First of all, with a clean cotton wipe the dirt and dust on the surface of agricultural machinery, rust and rust the following methods. 1  ammonium sulfate derusting preparation 1:20-25 ammonia solution, poured into the ceramic tank, the rust on the farm machinery parts on the bubble after 24 hours will float on the water surface. Remove the parts with a cloth wipe the rust, rinse with water