... 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。
No matter what the soil moisture treated, being with waterlog in normal paddy or upland condition in GCRPS field, once nitrate as nitrogen fertilizer source. N2O emission increased remarkably.
不论是旱种还是水田，只要增加硝态氮源，土壤n2o的排放就极显著增加。
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