soil nitrification
- 网络土壤硝化作用
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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
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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
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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
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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
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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
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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
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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;
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Effect of ammonium thiosulfate on soil nitrification
硫代硫酸铵对土壤硝化作用的影响
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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。
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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;
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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;
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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
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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。
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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。
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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。
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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
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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
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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。
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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
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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。
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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。
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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
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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。