This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria,mold and actinomycetes,and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil.

• 实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响,及对土壤中铵态氮和硝态氮贮量变化的影响。