Developmental coordination disorder(DCD)is a developmental disorder with high incidence which threaten primarily the physical and psychological health of school-aged children.
儿童发育性协调障碍是一种发病率较高的发育障碍性疾病，它严重威胁着学龄儿童的身心健康。
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。
The result showed that DCD promotes the growth of the bacteria and actinomycetes, DCD restrains the growth of the mold.
结果表明：双氰胺对土壤中的细菌、放线菌生长具有促进作用，对土壤中的霉菌生长具有抑制作用。
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