土壤酶
- 网络soil enzyme
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大气CO2浓度升高对不同施氮土壤酶活性的影响
Effects of elevated atmospheric CO_2 on soil enzyme activities at different nitrogen level
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川南天然常绿阔叶林土壤酶活性特征及其对模拟N沉降的响应
Soil enzyme activities and its response to simulated nitrogen deposition in an evergreen broad-leaved forest , southern Sichuan
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Cd胁迫对水稻根际土壤酶活和微生物的影响
Effects of Cadmium Stress on Microbes and Enzyme Activity in Rice Rhizosphere Soil
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土壤酶活性均在E(肥土比1:200)施肥量时发生明显变化,脲酶、中性磷酸酶和蔗糖酶活性急剧下降。
Activity of urease , neutral phosphatase and invertase significantly decreased in the E ( 1:200 ) treatment .
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Cd、Zn、Pb单因素及复合污染对土壤酶活性的影响
Effects of Single Element and Compound Pollution of Cd , Zn and Pb on Soil Enzyme Activities
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种植转Bt基因水稻对土壤酶活性的影响
Effect of transgenic Bt rice planting on soil enzyme activities
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土壤酶的活性可以作为评价土壤肥力的重要指标,土壤酶对土壤中有机碳,N、P的转化起着重要的作用。
The activities of enzymes of soil can be used to evaluate the soil fertility because soil enzymes have important actions in transformation of organic carbon , N and P in soil .
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kg-1.脲酶对Hg污染比转化酶敏感;有机质对土壤酶活性有一定的保护作用。
Urease was more sensitive than invertase to Hg contamination , while organic matter had a protective effect on soil enzymes .
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0.25和2.5μg·g-1单嘧磺隆在试验不同时期对土壤酶活性有轻微刺激作用或抑制作用。
In the treatments of 0.25 and 2.5 μ g · g-1 , the activity of the enzymes were inhibited or increased during different period of test .
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土壤酶作为土壤的主要代谢动力,是池塘底泥中物质流动交换重要部分,底泥酶活性对池塘水体环境的C、N、P、S等物质和能量循环有着重要作用。
Soil enzymes plays an important role in the C , N , P , S or other substances and the energy cycles , is an important part of the material exchange in pond sediment , as the engine of the soil metabolism .
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Cd、Zn、Pb复合污染与各单因素的影响有较大差异,同时,Cd、Zn、Pb复合污染对4种土壤酶活性的影响效应亦不同。
Effect of Cd , Zn and Pb single element on soil enzymes is different from that of Cd-Zn-Pb compound pollution . Meanwhile , influence of Cd-Zn-Pb compound pollution on the four soil enzymes is different too .
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本文探讨了有效微生物(EM)处理老参地对土壤酶活性的影响。结果表明,用EM处理老参地,能显著提高土壤多酚氧化酶、土壤过氧化酶和过氧化物酶的活性;
The effect of EM treatment on soil enzyme activity indicates that EM can apparently enhance soil enzyme activity such as polyphenol oxidase , catalase and peroxidase , Therefore soil bioactivity and fertility can be enhanced by EM.
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而pH4.61的酸性土壤酶活性持续下降.溶液构象研究表明,pH值是通过改变酶的肽链构象、氨基酸残基微环境而影响其活性的。
Whereas the activities tended to decrease continuously at pH4.61 . The study of conformation in solution indicated that pH affected the activities of enzyme by changing peptide chains conformation and microenvironment of amino-acid residues .
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月柿根际土壤酶活性的垂直分布规律是:0~20cm土层最高,随土层的加深而逐渐降低。
The regularity of vertical distribution of enzyme activity of persimmon root range soil is that it is the highest in 0 ~ 20cm depth of soil and varies gradually lower with deepening of soil .
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研究证实,Ⅱ(70days)期间是土壤酶和微生物对土壤萘污染进行适应和调节的关键时期。
Study confirmed that ,ⅱ( 70days ) period of soil enzymes and microbial contamination of soil naphthalene critical period of adaptation and adjustment .
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从土壤酶活性的季节变化来看,表层土壤(0~10cm)土壤酶活性均表现出冬夏两季较低而春秋两季较高。
The seasonal changes of surface soil ( 0 ~ 10cm ) enzyme activities under two control showed that the soil enzyme activities were higher in spring and autumn , lower in winter and summer . 5 .
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采用BIOLOG碳素利用法、磷脂脂肪酸(PLFA)法和土壤酶活性测定等方法比较了三种水分条件(淹育、淹育晾干、非淹育)对水稻土微生物群落多样性及活性的影响。
Influence of soil moisture regime ( non-flooding , flooding-drying , and flooding ) on microbial community diversity and activity was investigated by determining Biolog sole carbon source utilization pattern , phospholipid fatty acid ( PLFA ) profiles and enzyme activity indices .
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退化森林生态系统的土壤酶活性特征;
Measuring the activities of soil enzymes in degraded forest ecosystem ;
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高低产毛竹林地土壤酶活性比较分析
Analysis on enzyme activities of high-yield and low-yield Phyllostachys pubescens stands
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砷和铅对土壤酶活性的影响
Effects of as and Pb on the enzymatic activities in soils
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十溴联苯醚对土壤酶活性及土壤呼吸强度的影响
Effects of Decabromodiphenyl Ether on Enzyme Activities and Respiration in Soil
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植被动态与土壤酶的关系;
Exploring the interactive effects of vegetation dynamics and soil enzymes ;
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不同森林植被下土壤酶活性研究
Study on Enzymatic Activities of Soil under Different Types of Vegetation
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云冷杉林土壤酶活性与土壤养分的研究
Soil enzymes activities and soil nutrient of Picea and Abies forest
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对该铅锌尾矿污染区土壤酶活性进行了测定。
Soil enzymatic activities were determined in areas polluted by tailings .
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喀斯特退化森林不同恢复阶段土壤酶活性研究
Soil Enzyme Activity of Different Restoration Stages in Karst Degenerative Forest
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天祝高寒草甸土壤酶活性分析
The Activity of Some Soil Enzymes at Alpine Meadow in Tianzhu County
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土壤酶是土壤中生化反应的催化剂。
Soil enzymes were catalyst of biochemistry action of in soil environment .
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土壤酶和土壤肥力关系的初探
A Preliminary Discussion on the Relationship Between Soil Enzymes and Soil Fertility
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酚酸化合物对土壤酶活性和土壤养分的影响
The effect of added phenolic acids on soil enzyme activities and nutrients