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- soil organic nitrogen mineralization 氮矿化
- Determination of forest soil organic nitrogen determination using technique of X-ray absorption near-edge structure 森林土壤有机氮的X光吸收近边结构光谱技术测定
- Research on Variety of Soil Organic Nitrogen Components in Artificial Herbage Land on Loess Plateau 黄土区人工牧草地有机氮组分变化研究
- Response of Soil Organic Nitrogen Forms and Organic Carbon to Long-term Fertilization in Dry Highland of Loess Plateau 长期施肥对黄土旱塬黑垆土有机氮和有机碳的影响
- Soil Organic Nitrogen Distribution in the Vertical Sequence on the Northwestern Slope of Altai Mountains 阿尔泰山西北部垂直带谱中土壤有机氮素分布
- THE SIMULATION ON MINERALIZATION OF SOIL ORGANIC NITROGEN AND NITROGEN RELEASE FROM ORGANIC MATERIALS APPLIED TO THE FIELDS 土壤有机氮矿化与有机物氮素释放的动态模拟
- Applications of nitrogen isotope techniques: The prerequisite analysis of soil organic nitrogen as sources of nitrate contamination of groundwater 氮同位素技术的应用:土壤有机氮作为地下水硝酸盐污染源的条件分析
- Difference of soil organic nitrogen components and microbial biomass nitrogen under different eco-system in northwestern China 西北地区不同生态系统几种土壤有机氮组分和微生物体氮的差异
- the sequencing of the mean content of soil organic nitrogen was T>NT >TS>NTS in the depth of 0-5cm,while it wasT>NT>NTS>TS in the depth of 5-10cm. 多重比较表明:在0-5cm 土层,土壤酸解氨态氮排序:T>NT >TS>NTS;
- soil organic nitrogen fractions 土壤有机氮组分
- Soil organic nitrogen 可溶性有机氮
- The N in the SOM existed mainly in the form of organic nitrogen, and the soil C:N was significantly correlated with SOM. 土壤中的氮素主要以有机氮的形式存在于土壤有机质中,土壤碳氮比与有机质含量显著相关。
- Ammonium is toxic and is converted to organic nitrogen compounds in the root. 铵有毒,在植物根部被转化为有机含氮化合物。
- The results show that soil organic matter mostly exist in the silt plus clay, and the ratios of carbon to nitrogen become narrow with particle size decreasing. 结果表明,有机质多集中在粉+黏粒中,碳氮比随着粒级的减小而逐渐降低;
- Water storage in soil organic horizons is a further factor to consider. 在土壤有机质中的水分贮积是一个值得进一步考虑的因素。
- Bacteria and fungi are other important soil organisms. 细菌和真菌是另一类重要的土壤有机体。
- There are four major processes in biogeochemical cycling: nitrification fixation;organic nitrogen ammonification;nitrification, and denitrification. 这一地区氮的生物地球化学循环包括:生物固氮、有机氮的氨化、氮的硝化、反硝化等4个主要过程。
- The reaction of organic nitrogen compounds in wastewater with chlorine will form toxic and harmful organic chloramines during the chlorination. 在氯消毒过程中,污水中的含氮有机物与氯反应会生成有毒有害的有机氯胺。
- The effects of inorganic and organic nitrogen sources on synthesis and secretion of gentamicin in shake flask fermetation were studied. 研究了无机与有机氮源对庆大霉素合成与分泌的影响。
- Soil organic matter is the product of microbial decomposition of plant and animal residues. 土壤有机质是微生物分解植物和动物残体的产物。