Current, breed of the chemical fertilizer on the market is more, a few false deterioration are fat also interfuse among them, hole farming is killed civilian.

• 据有关部门调查表明,现在农民急需以下“四器”: 一、化肥成分测定器。目前,市场上化肥品种较多,一些假劣化肥也混入其中,坑农害民。