一忌与过磷酸钙混合后过夜施用：碳酸氢铁与过磷酸钙混合施用，虽然比分别单施效果好，但混合后不宜天放，更不能过夜。因为过磷酸钙吸湿性增大，会使混合肥料变成浆状或结块，不利施用。二忌与首肥混用：碳酸氢镀施后会散发出氨气，与菌肥接触，会使菌肥中的活菌体死亡，失去? A bogey and superphosphate mixed overnight application: Mixed application of bicarbonate and superphosphate, although the effect than the single application, but should not be placed after mixing, but can not be overnight. Because of the increased hygroscopicity of SSP, the compost becomes a slurry or agglomerate, unfavorable application. Second bogey and head fat mix: After bicarbonate plating emits ammonia, contact with the bacterial fertilizer will make living bacteria in the fat die, lost?