The result showed that total inorganic nitrogen, water temperature and transparency were the most important factors influencing the distribution of phytoplankton species.
根据环境因子与排序轴的相关系数，认为影响这一海区浮游植物分布的主要环境因子依次为总无机氮、水温和透明度。
The detection results showed: the pH is normal, heavy metals, p, the total inorganic nitrogen and DO accord with class I water quality standard, COD belongs to the class III water quality standard.
水质检测结果显示酸度正常，重金属、P、总无机氮、溶解氧符合一类水质标准，COD属于三类水质标准。
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
Maize straw returning to the field can increase the soil total nitrogen and inorganic nitrogen content.
秸秆还田增加了土壤全氮和无机氮含量。
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