土壤有效铅与土壤微生物生物量碳及土壤脲酶呈显著负相关。
Correlation analysis indicated that there were significantly negative correlations between soil biomass carbon and urease activity with available lead content in the soil.
土壤微生物生物量C和N及其C/ N比是反映土壤质量的重要生物学指标。
Soil microbial biomass carbon, nitrogen and its C/N ratio are the important biological indicators characterizing soil quality.
土壤微生物生物量C、N在植被恢复的初期显著低于灌丛,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.
土壤微生物生物量磷是植物磷素营养极其重要的来源,对土壤磷素的供给和调节起着重要作用。
Soil microbial biomass P is a valuable resource to plant P nutrient, and also play an important role in the transformaion of soil phosphorus.
结果表明,4种固沙植物均能明显改善土壤C,N水平,提高微生物生物量,改善土壤酶的活性。
The results showed that all the 4 species of plants improve greatly the organic C and total N in soil with microbial biomass accumulated much more and soil enzyme activity improved.
养鱼水田的土壤微生物生物量C和N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;
茶树根层土壤微生物生物量碳随树龄增长而增加,但与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.
施用铜制剂还显著影响了土壤的生物学指标,表现为土壤基础呼吸和代谢熵升高,微生物生物量碳降低。
Moreover, the biological indexes of soil were affected, basal respiration and metabolic quotients were increased, microbial carbon was declined.
真菌构成了土壤的大部分微生物生物量,具有分解有机质,为植物提供养分的功能,是生态系统健康的指示物。
The fungi form the most microorganism amount of soil, resolve the organic matter, offer nutrient for plant and are healthy instruction thing for ecosystem.
结果表明,在各个土层中,两种林分下的土壤含水量、pH值、有机碳的含量以及微生物生物量磷均无显著差异。
Results showed that there were no significant differences in soil total organic carbon, soil moisture content, pH and soil microbial biomass phosphorus in each soil layer between the two plantations.
研究了红砂土中加入稻草秸秆和猪粪后土壤中微生物生物量碳、水溶性有机碳、溶解性酚等活性有机质组分的动态变化。
Water-soluble organic carbon(WSOC) was as an important component in the transport and supply of carbon(C) to microorganisms and played a major role the cycle of soil organic matter.
利用底物诱导呼吸法测定微生物生物量以及细菌、真菌生物量的变化表明,微生物在凋落叶分解过程中的演替遵循一定的路线。
The dynamics of microbial biomass and bacterial and fungal biomass measured from substrate-induced respiration (SIR) kept to some succession route during litter decay.
该仪器综合利用了生物学、发光化学、机械、电子以及计算机等技术,实现了具有自动生化反应过程的深海微生物生物量检测。
The instrument used the biology, light-emitting chemical, mechanical, electronic and computer technologies and achieved an automatic biochemical reaction detection of deep-sea microbial biomass.
各处理土壤微生物生物量碳、氮含量因培养时期不同而异。因此,生产中利用秸秆时应考虑不同施肥处理秸秆养分含量的差异。
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.
本文从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酶活性方面对大气高浓度CO2的响应进行了综述。
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.
研究结果表明,在整个培养过程中,仅加莠去津的土壤中微生物生物量碳、氮、磷的含量均显著降低,与对照相比,分别平均降低了13.5%,10.1%,20.0%。
Results showed that soil microbial biomass C, N, P significantly decreased after addition of atrazine. As composed with control, microbial biomass C, N and P decreased averagely 13.5%, 10.1%, 20.0%.
地表之下存在着一个巨大的微生物圈——其生物量可能相当于我们在地表能看到的植物的生物量。
There's a huge microbial biosphere hidden beneath the surface of the earth - possibly comparable in biomass to the plant life we can see on the surface.
大部分人不会意识到微生物的存在,因为他们的肉眼看不见,但事实上,微生物占据了地球大约一半的生物量,而所有的动物加起来,也不过占地球总生物量的千分之一。
Most people don't realize it, because they're invisible, but microbes make up about a half of the Earth's biomass, whereas all animals only make up about about one one-thousandth of all the biomass.
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氮的比较,研究和探讨土壤微生物量碳氮与土壤肥力的关系。
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.
随着免耕年限延长,土壤微生物量碳、氮均呈逐渐降低的趋势,免耕10年以上土壤微生物量碳最低,微生物量氮在免耕7~8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.
不同水分管理方式在水稻分蘖期、抽穗期对食细菌线虫数量、食真菌线虫数量、微生物量C和微生物量N没有影响。
Water regimes exhibited no effects on bacterial-feeding nematodes, fungal-feeding nematodes, microbial biomass C and microbial biomass N during rice tillering and heading stages.
文摘:研究了序批式生物膜反应器中微生物量的变化特点。
Abstract: The quantity change regularity of microorganism was studied.
在山东无棣设置田间试验,研究了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.
最后,作为AT P生物发光法检测微生物量的进一步研究,提出一套可行的自动原位监测仪的设计方案。
Finally, as further study of the detection of microorganisms by ATP bioluminescence technology, a feasible design of automatic online measure-meter was proposed.
试验结果表明在水稻-土壤-微生物相互作用的体系中,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.
土壤酶活性的提高表明改良后的土壤结构、性能更适宜土壤微生物的繁殖和生长,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.
纤维素的生物降解已经研究了很长的时间,到目前为止,还没有找到一种高效的酶或微生物来充分利用这种生物量。
Biodegradation of cellulose has been studied for a long time, but no enzyme or microorganism has been found to utilize cellulose efficiently.
土壤呼吸和土壤活跃微生物量是衡量土壤微生物特性和土壤酶的较好指标。
Soil respiration and active microbiomass were good indexes of soil microbial characters and soil enzyme.
土壤活性有机碳是指土壤中移动快、稳定性差、易氧化、矿化,并对植物和土壤微生物活性较高的那部分碳,常可用水溶性有机碳、微生物量碳和易氧化碳等来进行表征。
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.
从对生物量和微生物耗氧速率的影响方面,考察了盐水、氨水、氯和氯胺等四种除蚤剂对活性炭上微生物的影响。
The influences of dosing medicaments, such as brine, ammonia water, chlorine and chloramines, on microorganisms of activated carbon were investigated by means of biomass and OUR.
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