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- There was a positive correlation between the amounts of most soil microbe and soil nitrogen content. 土壤中大多数微生物数量与土壤氮素养分含量呈正相关。
- soil nitrogen content 土壤氮含量
- for the same soil layer, acid soil nitrogen content of each component and the relative content of the absolute size of the order were: unknown acidolysis N> amino acid N >ammoniacal N >amino sugar N. 对于相同土层,土壤酸解氮中各组分绝对含量和相对含量的大小排列顺序均为:酸解未知态氮>氨基酸态氮>氨态氮>氨基糖态氮。
- 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。
- After harvesting the crops, he tested them for nitrogen content. 作物收获后,他测定了作物中氮的含量。
- The results show that soil OM content has obviously closer relationship with >0.25mm soil water stable aggregate content (%) than that of soil nitrogen and phosphorus content. 试验结果表明,土壤有机质含量x(%25)与土壤>0.;25mm水稳性团聚体含量y(%25)呈显著线性正相关,土壤全氮、土壤全磷与>0
- CAT activity was positively interrelatedtothe content ofthe organic substance in the soil and had a relation ofparabola pattern tothe alkaline nitrogen content. 土壤过氧化氢酶活性与土壤有机质含量呈正相关,与土壤碱解氮含量呈抛物曲线型关系。
- Effects of long-term plant Medicago sativa Linn. on soil nitrogen nutrient. 长期种植苜蓿对土壤氮素营养的作用
- This study dealt with the effects of maize, beet and soybean stubble remaining in field on soil enzyme activities, under the different temperature, moisture and nitrogen content. 摘要将玉米、大豆、甜菜三种作物根茬分别加入土壤中,在不同温、湿度条件和不同氮素水平下培养后,研究其对不同土壤酶的影响。
- Nitrogen Content Dynamic Variation Analysis in the Second Songhua River. 第二松花江水体中氮含量的动态变化分析
- The adhesive has high cohesive strength,low nitrogen content and low viscosity. 该粘结剂具有粘结强度高、低氨、低粘度等优点。
- Urine is a complete manure with fast function rich in nitrogen content. 尿液是一种快速作用的、富含氮的完全肥料。
- Depletion of soil nitrogen frequently leads to reduced concentrations of soluble amino and amides. 土壤氮素的减少常常导致可溶性氨基酸和酰胺浓度的降低。
- Ju X T,Chao F C,Li C J et al.The yield and nicotine content of flue-cured tobacco as affected by soil nitrogen mineralization in late stage[J].Acta Tabacaria Sin.,2003,9(Suppl.):48-53. [20]巨晓棠;晁逢春;李春俭;等.;土壤后期供氮对烤烟产量和烟碱含量的影响[J]
- Influence of temperature and moisture on soil nitrogen mineralization under two types of forest in Changbai Moun. Tain. 温度和湿度对长白山两种林型下土壤氮矿化的影响。
- The stretchability is im proved with the reduction of nitrogen content in steel. 钢丝拉拔性能随钢中含氮量下降而有所改善。
- These results indicate that the vegetation has stronger effect on soil nitrogen mineralization than soil types. 不同土地利用方式对土壤氮素矿化作用的影响强于不同土壤类型的影响。
- The priming effect of nitrogen fertilizer on soil nitrogen was studied by using waterlogged incubation method. 摘要应用淹水培养方法,研究了铵态氮肥对土壤氮素的激发效应。
- Leaf nitrogen content induces remarkable effect on chlorophyll and soluble protein content. 叶片氮含量对叶绿素与可溶性蛋白含量会产生明显的影响。
- The soil nitrogen status is a function of the processes of nitrogen fixation, microbial decompostion, nitrificattion and denitrification. 土壤氮状况是一个固氮、微生物分解、硝酸化和脱氮过程的作用。