在南疆滴灌条件下进行氮肥大田试验，对应用土壤无机氮测试进行棉花氮素营养诊断及氮肥推荐进行了研究。
Based on field fertilizer experiment of cotton under drip irrigation in the area, cotton nitrogen diagnosis and nitrogen fertilizer recommendation with soil inorganic nitrogen quick test was st.
测定秸秆和土壤有机质分解过程中CO_2释放量、土壤微生物量和土壤无机氮含量变化，探讨土壤有机质和秸秆分解的规律。
The mechanism of Soil organic matter and wheat straw decomposition were discussed through the accumulated CO2, microbial biomass and inorganic nitrogen content.
本研究通过培养试验探讨了添加黑麦秸秆对土壤中无机氮的形态转化和N_2O、CO_2释放的影响。
The research was carried out to understand effect of application of rye straw on transformation of inorganic nitrogen in soil, and on N2O and CO2 emissions.
旱地土壤电超滤-氮和磷中无机与有机组分的分配和解吸溶解动态有很大的不同。
The distribution and desorption (dissolution) rate of inorganic and organic fractious in soil EUF-total N (EUF-N_T) are quite different from those in EUF-P_T.
半 寄生的根系有可能吸取土壤的无机氮。
There is the potential of uptake of soil, inorganic nitrogen by the roots of the semi-parasite.
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.
化肥氮残留很少，大部分进入土壤有机无机复合体中，而部分土壤氮被活化。
There was very little fertilizer N residue left, most of which entered the organo-mineral complex, while a part of the soil N was activated.
秸秆还田增加了土壤全氮和无机氮含量。
The amount of nitrogen needed will increase as yield increases.
秸秆还田增加了土壤全氮和无机氮含量。
The amount of nitrogen needed will increase as yield increases.
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