... Nitrate Nitrogen 硝酸氮 Soil Nitrate Nitrogen 土壤硝态氮 ammonium and nitrate nitrogen 铵态硝态氮肥 ...
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soil nitrate nitrogen concentration 土壤硝态氮含量
soil nitrate nitrogen residual 土壤硝态氮残留
nitrate nitrogen in soil 土壤硝态氮
The results are followings, each stage, soil nitrate nitrogen content with the increase of fertilizer amount is increase,far away from the center of film hole.
结果表明,各阶段土壤中硝态氮的含量均随施肥量的增加而增加,且土壤硝态氮有向远离膜孔中心方向运移的趋势。
参考来源 - 不同施肥方式的膜孔单向交汇入渗土壤氮素运移特性试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Even nitrogen, which is a gas in its elemental state, is normally absorbed from the soil as nitrate ions.
即使是元素状态为气体的氮，也通常作为硝酸根离子从土壤中被吸收。
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。
Applying more nitrogen would increase the content of soil microbial biomass nitrogen, but might result in large amount of nitrate residue in soil and suspected to leaching loss.
继续增加施氮量，土壤微生物量氮含量增加，但土壤中残留大量硝态氮，易淋溶损失。
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