The results showed that all the test nitrification inhibitors could significantly decrease the nitrate content in soil and pakchoi during whole growth stage,among which,DCD had the best effect,but the effect was differed on different soil types.

 
  • 结果表明;3种硝化抑制剂在试验的各个时期均不同程度地降低了土壤和小白菜的硝酸盐含量;其中以双氰胺的效果最好.;但不同供试土壤条件下的试验结果不完全一致
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