The nitrification inhibitor(DCD) could reduce the nitrate accumulation of NH_4NO_3 and NH_4Cl and have a more significant effect on NH_4NO_3.

• 硝化抑制剂双氰铵(DCD)能降低NH4NO3和NH4Cl的硝酸盐积累,对NH4NO3作用较为明显。