• 土壤有效土壤微生物生物量土壤脲酶显著相关

    Correlation analysis indicated that there were significantly negative correlations between soil biomass carbon and urease activity with available lead content in the soil.

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  • 土壤微生物生物量CN及其C/ N反映土壤质量重要生物学指标

    Soil microbial biomass carbon, nitrogen and its C/N ratio are the important biological indicators characterizing soil quality.

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  • 土壤微生物生物量CN植被恢复初期显著低于灌丛,而后随着恢复的进行逐步增长

    Soil microbial biomass C, N declined significantly in early restoration stage compared with shrub communities, and increased with the extension of plant restoration.

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  • 土壤微生物生物量植物磷素营养极其重要来源,对土壤磷素的供给调节重要作用

    Soil microbial biomass P is a valuable resource to plant P nutrient, and also play an important role in the transformaion of soil phosphorus.

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  • 茶树土壤微生物生物量随树龄增长而增加,但茶树根层土壤可培养微生物总量无显著相关

    Soil microbial biomass carbon in the tea plant root layer increased significantly with the age of tea plants.

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  • 养鱼水田土壤微生物生物量CN明显高于对照水田,均达到极显著差异水平(P〈0.01);

    The microbial biomass C and N in rice-fish paddy fields is remarkably higher than those in control paddy fields, both at significance level P <0.01;

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  • 各处理土壤微生物生物量碳、氮含量培养时期不同而异。因此,生产中利用秸秆考虑不同施肥处理秸秆养分含量差异

    Therefore, in agricultural practices, the differences in the nutrient contents of straw due to different fertilization should be considered when the straw was to be added into soil.

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  • 本文土壤微生物群落结构微生物区系、土壤呼吸微生物生物量以及土壤活性方面对大气高浓度CO2响应进行了综述

    In this paper, the effects of elevated CO2 on soil microbial community structure, soil microflora, soil respiration, soil microbial biomass, and soil enzyme activities were summarized.

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  • 山东无棣设置田间试验,研究海涂人工草场土壤微生物量(简称生物量)。

    Field experiments were conducted to study the biomass of soil microbe in the artificial meadow in seashore saline soils at Wudi, Shandong province.

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  • 土壤微生物维持土壤质量的重要组分,土壤生物学指标敏感地反映土壤质量的变化,土壤微生物量是土壤质量评价一个重要的生物学指标。

    Soil microorganisms play an important part in maintaining soil quality. Soil microbial biomass represents the labile pool and can be used as a bio-indicator for evaluating soil quality.

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  • 土壤活性提高表明改良后土壤结构性能更适宜土壤微生物繁殖生长土壤中的微生物量增加。

    Increased soil enzyme activity means that the amended soil structure and properties were very beneficial to the reproduction and growth of soil microorganisms.

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  • 试验结果表明水稻-土壤-微生物相互作用体系中,土壤微生物量和酶活性明显受到水稻生长发育的影响。

    It was suggested that soil biochemical characteristics was affected significantly by rice growth in the interaction system of the rice, soil and microorganisms.

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  • 通过对不同肥力水平黑土、棕壤、黄棕壤、红壤土壤微生物量碳比较,研究探讨土壤微生物土壤肥力关系

    To find out the relationship between soil microbial biomass C and N and soil fertility, soil microbial biomass C and N were compared in several types of soil with different fertilization levels.

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  • 土壤活性有机土壤移动快、稳定性差、氧化化,植物土壤微生物活性较高的部分碳,常可用水溶性有机碳、微生物量碳和易氧化碳等进行表征。

    Soil labile organic carbon (LOC) refers to the fractions of organic carbons that are easy to move and to be oxidized and mineralized, and they are quite available to plant and soil microorganisms.

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  • 土壤呼吸土壤活跃微生物衡量土壤微生物特性土壤指标

    Soil respiration and active microbiomass were good indexes of soil microbial characters and soil enzyme.

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  • 随着年限延长,土壤微生物逐渐降低的趋势,免耕10以上土壤微生物量碳最低微生物量氮免耕78年时最低。

    The microbial biomass C and N were lowest in no-tillage 10 and 7~8 years, respectively, and then decreased along with the the no-tillage years increasing.

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  • 随着年限延长,土壤微生物逐渐降低的趋势,免耕10以上土壤微生物量碳最低微生物量氮免耕78年时最低。

    The microbial biomass C and N were lowest in no-tillage 10 and 7~8 years, respectively, and then decreased along with the the no-tillage years increasing.

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