With the proportion does not change at present( namely Ca(H2PO4)2 =2:1), the application rate of Each mu slope cultivated land should be rised to 100 kg NH4HCO3+200 kg Ca(H2PO4)2.

• 在目前施肥比例不变的前提下(即碳铵：过磷酸钙=2：1)，每亩坡耕地施肥量应从50kg碳铵+100kg过磷酸钙增加到每亩100kg碳铵+200kg过磷酸钙。