soil nitrification

  • 网络土壤硝化作用
soil nitrificationsoil nitrification
  1. Distribution of Soil Nitrification within Soil Aggregates and the Effects of Tillage on It

    土壤硝化作用在团聚体中的分布以及耕作的影响

  2. Influence of Metalaxyl Applied on Soil Nitrification Inhibition

    甲霜灵根施对土壤硝化作用的抑制效应

  3. Advances in Studies of Soil Nitrification and Denitrification and Controlling Factors

    土壤硝化和反硝化作用及影响因素研究进展

  4. Effects of elevated atmospheric CO_2 concentration on soil nitrification activities

    大气CO2浓度增高对农田土壤硝化活性的影响

  5. Effect of Match Ratio of Ammonium Nitrogen and Water Solubility Phosphas on Soil Nitrification

    铵态氮和水溶性磷酸盐配比对土壤硝化的影响

  6. Soil nitrification in root surface and rhizosphere at late growth stages of rice cultivars with different N use efficiency

    不同氮效率水稻生育后期根表和根际土壤硝化特征

  7. Soil nitrification activities increased with increasing N application rate under both elevated CO2 concentration and the ambient conditions .

    结果显示,不管在CO2浓度增高下还是对照条件下,增加氮肥施用量均增强了土壤的硝化活性;

  8. Effect of ammonium thiosulfate on soil nitrification

    硫代硫酸铵对土壤硝化作用的影响

  9. At annual level soil nitrification rate and ammonification rate would increase with nitrogen fertilization , and increasing extent increased with nitrogen fertilization .

    施氮处理可以在年度水平上增加樟树林土壤硝化速率和氨化速率,且增加幅度随施氮水平的升高而增大。

  10. When the incubation is prolonged , there is a tendency of decreasing in the inhibitory effects of La on soil nitrification and phenol decomposition .

    随着培养时间的延长,La对土壤硝化作用和酚分解作用的抑制作用有降低的趋势。

  11. Winter wheat area in the suburbs of Beijing-summer maize rotation system in farmland has soil nitrification N2O fluxes showed significantly seasonal and diurnal variation .

    在京郊地区冬小麦-夏玉米轮作体系中农田土壤N20排放通量表现出明显的季节性和日变化规律。

  12. The results also showed that when the concentration of herbicides in soils was 1000 ppm , soil nitrification rate was inhibited but soil ammonification rate was stimulated in certain levels .

    2.1000ppm时,几种除草剂对两种土壤的硝化作用有一定的抑制效果,对氨化作用有不同程度的促进作用。

  13. La has stimulative effects on soil nitrification and phosphorus transformation at low concentration but has inhibitory effect at high concentration , and the inhibition is strengthened with increasing of La concentration .

    低浓度下,La对土壤硝化作用和磷转化作用均有某些刺激作用,但随着浓度的升高产生抑制作用并不断增强。

  14. Roxarsone at the dose of 200 mg / kg inhibited the ammonification . Arsanilic acid could inhibit soil nitrification , the effects stronger with increasing of doses .

    洛克沙胂对氨化作用的影响与阿散酸相反,200mg/kg洛克沙胂表现抑制。

  15. In the first 3 weeks of incubation , DL-1 had an inhibitory effect of > 70 % on soil nitrification , with the best effect during 14 ~ 28 d of incubation .

    结果表明,DL-1对土壤中铵的氧化过程具有显著的抑制效应,前3周的硝化抑制率可达70%以上,且硝化抑制能力在第14天至28天最强。

  16. When the dosage of DL-1 accounted for 2.0 % of applied N , soil nitrification was strongly inhibited , and soil NO_3 & N content remained at a lower level till to the end ( 90 d ) of incubation .

    当DL-1用量为(NH4)2SO4氮量的2.0%时,土壤的硝化作用受到了更强烈的抑制,到培养第90天试验结束,土壤中的NO3&N含量始终维持在较低水平。

  17. A FACE ( Free-Air Carbon dioxide Enrichment ) system was used to investigate the effects of elevated atmospheric CO2 concentration on soil nitrification activities . Upon the chemical erosion of land , the influence of rise in CO_2concentration is less than that of acid precipitation resulting from coal burning .

    利用中国唯一的FACE(Free-aircarbondioxideenrichment,开放式空气CO2浓度增高)平台,研究大气CO2浓度增高对农田土壤硝化活性的影响。水土流失可能促进大气CO2浓度的增高;

  18. The influence of DMP-D on soil potential nitrification and microorganism were also studied . DMP-D had some effect on the number of the soil microorganisms , can significantly reduce the activity of soil microorganisms and slow down the nitrification potential .

    DMP-D对土壤微生物的数目有一定的影响,它能抑制硝化细菌的活性,降低土壤氮的硝化。可见,不同的土壤中砂姜黑土的硝化作用活性较弱,而反硝化活性较强;

  19. Nitrite Accumulation and Influential Factors of in Soil Nitrogen during Nitrification Process

    土壤氮素硝化过程中亚硝态氮的累积及其影响因素研究

  20. Deposition of soil granules , nitrification , denitrification , and plant absorption are the major reasons for the decrease of concentration of N and P in drainage water .

    土壤颗粒沉淀、硝化、反硝化反应以及作物吸收是排水中氮磷浓度降低的主要原因。

  21. Four principal components which amount to86 % of accumulated contribution were extracted to represent geological or lithologic backgrounds , domestic sewage water , soil erosion and nitrification , separately .

    通过对一场降雨的监测,提取了对水质累积贡献大于86%的4个主成分,分别代表地质岩性背景、城市污水、水土流失和硝化作用。

  22. Therefore , the study of this system Jiangxi red soil aggregates nature of nitrification .

    因此本文系统的研究江西红壤团聚体的性质以及硝化作用。

  23. Soil Nitrite Accumulation During Nitrification and Its Relationship with Soil Properties in Thirteen Soils of China

    13种土壤硝化过程中亚硝态氮的累积与土壤性质的关系

  24. Temporal and spatial patterns of soil nitrogen mineralization and nitrification in four temperate forests

    四种温带森林土壤氮矿化与硝化时空格局

  25. Moreover , soil N mineralization and nitrification rates were significantly related to soil pH and soil available P content .

    培养28天时的矿化率和硝化率与土壤pH、速效P呈显著相关。

  26. A Study on Soil Nitrogen Mineralization , Nitrification and Mineral Nitrogen Consumption Rates of Soil in Leymus chinensis Grasslands

    羊草草地土壤氮的总矿化、硝化和无机氮消耗速率研究

  27. With the increasing amount of application or the decrease of the soil temperature , the nitrification inhibition of DMP-D would become obvious .

    随着用量的增加土壤温度的降低,DMP-D的硝化抑制效果更为显著。

  28. The NH + 4-N was 50.5 % of applied nitrogen fertilizer in short time after application . NH + 4-N in soil sharply decreased with nitrification and crop uptake afterwards .

    施肥后短期以NH+4N存在的肥料N占施N量的505%,随着硝化作用的进行和作物的吸收,土壤中的NH+4N显著下降。

  29. Effect of Temperature , Rainfall and Soil Properties on Farmland Soil Nitrification

    水热条件与土壤性质对农田土壤硝化作用的影响

  30. Drying-rewetting reduced the loss of soil TDN , increasing soil mineralization and nitrification which showed a " pulse " increasing .

    干湿交替能够减少土壤TDN损失。干湿交替可以增强土壤的矿化作用和硝化作用,均表现出脉冲式上升的特点。