土壤微生物

土壤微生物DNA提取方法研究进展

The Progress of Study on Extraction Methods of Microbial DNA from Soils

土壤微生物群体比单一微生物降解B（a）P效果好。

The colony had more satisfactory degradation ability of B ( a ) P than individual microorganism .

Cd胁迫对淹水稻田土壤微生物种群数量的影响

Effects of Cd2 + on Microbial Populations in Submerged Paddy Soil

土壤微生物量C、N从北到南的地带性变化规律不强。

The zone change of soil microbial biomass C and N from north to south was not distinct .

土壤微生物特性测定表明，不平衡施肥降低了土壤微生物量N，使微生物量C/N比增加。

Unbalanced fertilization decreased microbial N but increased C / N ratio of the soil microbial biomass .

农用化学品的使用会对土壤微生物群落在DNA分子水平上的多样性产生影响；

The changes in the soil microbial community diversity by agricultural chemicals were found at the DNA level .

H2O2在石油污染土壤微生物治理过程中的作用

Function of H 2O 2 in the bioremediation process of petroleum contaminated soil

CO2倍增对植物生长和土壤微生物生物量碳、氮的影响

Influence of Doubled CO 2 on plant growth and soil microbial biomass C and n

结果表明：肥料组合的C、N比越高，土壤微生物对肥料N的固定量越大。

The results show that the biological nitrogen fixation is improved with the increase of C / N ratio .

影响土壤微生物活性的主要因子依次为：菲＞Cd＞Zn＞Zn与菲的交互作用＞Zn与多效唑的交互作用；

Prominent factors affecting microbial activities were proved to be : phenanthrene > Cd > Zn > Zn phenanthrene > Zn MET .

因此，研究氮沉降对土壤微生物区系、微生物有机C、N、及群落代谢能力的影响，对于森林生态系统可持续发展提供参考。

It can offer a reference for sustainable development of forest ecological system to study nitrogen deposition on soil microflora , microbial organic C 、 N and community metabolism ability .

太湖地区典型菜地土壤微生物16Srdna的PCR-RFLP分析

PCR-RFLP analysis of bacterial 16S rDNA from a typical garden soil in Taihu region

结果表明，培养前期，秸秆预处理使土壤微生物量C数量增加了1.0～1.4倍，但降低了土壤微生物的呼吸活性；

The results showed that during the earlier stage of incubation , the pretreatments of straw increased soil microbial biomass C by 1.0 ~ 1.4 folds , but decreased soil microbial respiration activity .

随着硫肥用量的增加，土壤微生物量C、N、S和土壤基础呼吸均增加，但在苗期土壤微生物量C则降低。

Soil microbial biomass C , N , S and soil basal respiration increased with increasing the rates of sulfur fertilizer applied , but the soil microbial biomass C decreased in the seedling stage .

而种植年限为7年的土壤微生物群落DNA序列多样性指数及修正丰富度指数均呈现最低值，均匀度指数也非常低，可能是土壤生态环境最差的土壤；

Diversity index and modified richness index of soil cropping for seven years was lower , which may be the most bad soil sample , was lowest , and evenness index was lower too .

菌肥A1对结球甘蓝（BrassicaoleraceaVar.capitata）的肥效及土壤微生物的影响

Effects of microbial fertilizer A1 on Cabbage ( Brassica oleracea var. capitata ) and on soil microorganisms numbers

16SRRNA的变性梯度电泳（DGGE）结果揭示了生物修复过程中土壤微生物菌群结构中的动态变化。

Denaturing gradient gel electrophoresis ( DGGE ) of 16S rRNA genes revealed a dynamic change in the microbial community structure of the soil during bioremediation .

分析表明，土壤微生物生物量与总有机C、全N均表现出很好的相关性，可以作为评价土壤肥力状况的生物学指标；土壤酶的总体活性可以用来表征土壤肥力水平。

The results show that soil microbial biomass is relate with soil organic carbon and total nitrogen , and can be regarded as an indicator to evaluate the soil fertility . Total enzyme activity in soil play an important role in evaluating the soil fertility .

不同处理组土壤微生物群落DNA序列Shannon-Weaver指数顺序为0mg/kg50mg/kg100mg/kg200mg/kg400mg/kg。

The Shannon-Weaver index of soil microbial community DNA sequence in all treatments was : 0 mg / kg 50 mg / kg 100 mg / kg 200 mg / kg 400 mg / kg .

Biolog方法分析结果显示，修复后土壤微生物群落的多样性、丰富度与均一性发生了变化。

The diversity of microbial communities in soils was analyzed by the Biolog method . The microbial communities in the treatments were different in richness and evenness .

在温室盆栽番茄条件下研究施用BHA对番茄生长和防病的影响，应用BIOLOG方法研究了BHA对土壤微生物群落的调节作用。

The effect of BHA on tomato growth and disease suppression was studied by pot experiment in the greenhouse . BIOLOG method was used to study the regulating function of BHA on soil microbial community .

旨在促进对BIOLOG测定土壤微生物群落功能多样性的了解，为正确运用这种方法开展土壤微生物群落功能多样性研究提供科学依据和理论指导。

The objective of the study is to accelerate understanding how to apply BIOLOG properly to the study on soil microbial community functional diversity and provide a scientific foundation and theoretical guide for further research of the subject correctly .

结果表明：BFA能明显提高番茄的株高、生物量，土壤微生物群落的结构组成发生了明显变化，土壤微生物的各项多样性指数都有所提高，并降低了番茄青枯病的发生率。

The results showed that the application of BFA could increase the plant height and biomass significantly , change the soil microbial community structure , and enhance the soil microbial diversity index . The severity of tomato wilt was also reduced .

结果表明，0～20cm表土层受人为因素的影响土壤微生物数量与土壤酶活性明显高于20～40cm亚表层土；

The soil microbe populations and enzyme activities in soil of 0-20 cm depth were higher than that of 20-40 cm depth and that in January were higher than that in May in the helio-greenhouse , especially in 0-20 cm soil surface layer .

土壤微生物对柑桔生长及产量的影响

Effect of Soil Microbe on Growth and Production of Citrus Fruits

土壤微生物体氮测定方法的研究

Study on the methods for measuring microbial biomass nitrogen in soils

鹤山退化生态系统恢复过程中土壤微生物的特性

Soil Microbial Characteristics in Rehabilitation Process of Degraded Ecosystems in Heshan

白云山土壤微生物的季节变化及其对环境污染的反应

Seasonal Variation of Soil Microbes and Its Reaction to Environment Pollution

尿素肥斑扩散对土壤微生物群落结构的影响

Effect of diffusion of urea patch on microbial communities in soil

果&草人工生态系统中土壤微生物、土壤酶与土壤养分的关系

Relationship Between Biological Factors and Soil Nutrients in Artificial Fruit-Grass Ecosystem