available nitrogen信息详情
有效氮
速效氮
nitrogen───n.[化学]氮
available───adj.可获得的;可购得的;可找到的;有空的
nitrogen species───形态氮
currently available───目前可用的
nitrogen fertilizer───[肥料]氮肥;氮肥肥料;氮肥(料)
ammoniacal nitrogen───氨态氮;[化] 氨型氮
nitrogen balance───[生理]氮平衡
available options───[计]可用选择
be available───有空的;可供使用的;[经] 生效, 有效, 可供使用
Soil organic matter, total nitrogen, total phosphorus, available nitrogen had middle spatial correlation patterns.───土壤有机质、全氮、全磷、速效氮具有中等空间自相关性。
Contrast to soil available nitrogen, soil total nitrogen was not influenced by the environmental factors.───功能群组成对土壤全氮的影响作用相对较弱。
Quaternary red clay total nitrogen content was highest, but the available nitrogen content was lower than Granite soil and Purple sandy shale soil.───第四纪红土土壤全氮含量较高,但是其碱解氮含量比花岗岩母质土壤和紫色砂页岩土壤低。
The seasonal dynamics of soil available nitrogen was basically consistent with the growth rhythm of P. elliott ii.───有效氮供应的季节动态与湿地松的生长节律(即需氮过程)基本吻合。
The content of organic matter, available nitrogen and available phosphors were rich.───有机质、碱解氮、速效磷含量丰富;
Jidan 415 seedlings rhizosphere soil sucrase and urease activity had the greatest impact on the total nitrogen and available nitrogen;───吉单415号玉米幼苗根部土壤蔗糖酶和脲酶活性对全氮和碱解氮的影响最大;
Nitrogen nutrient balance and its impact on soil available nitrogen content in Shanghai suburb farmlands───上海郊区农田氮养分平衡及其对土壤速效氮含量的影响
the correlation of available nitrogen content with POD activity, MDA content and soluble protein content is significant difference;───土壤速效氮含量与POD活性、丙二醛含量及可溶性蛋白质含量相关性显著;
Spatial Heterogeneity of Available Nitrogen, Phosphorus and Potassium Content in Thin Layer Black Soil───薄层农田黑土速效氮磷钾含量的空间异质性
In conclusion, both readily available nitrogen and soil bulk density are sensitive to grazing levels, and can be used in quantitative determination of grassland succession under utilization.
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