An obvious inhibition of added S0 and Na2S2O3 on leaching loss of nitrogen from soil was observed, however the effect was not found at DCD treatment.

• 供试土壤为黄潮土时，各处理淋失的氮素和土壤内残留的氮素基本全为NO_3~- -N。 以S~0和Na_2S_2O_3抑制效果较好，而DCD效果则不显著。