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    Effect of Isoproturon on the Basal Respiration of Soil and the Microbial Biomass in Soil
    异丙隆对土壤基础呼吸与微生物生物量的影响
    Different added lead concentration ranging from 200 mg/kg to 1 200 mg/kg effect on soil basal respiration,soil biomass carbon,metabolic quotient and dehydrogenase activity. The experiment was studied in house incubated soil samples.
    通过室内培养,研究了不同铅添加水平(200~1 200 mg/kg)对青紫泥田微生物生物量碳及土壤基础呼吸作用、土壤代谢商、土壤脱氢酶的影响。
    The results showed both the basal respiration and microbial biomass were influenced little by isoproturon at below 50 mg/kg in soils.
    结果表明:异丙隆使用量在50mg/kg以下,对土壤基础呼吸和微生物生物量碳基本没有影响;
    Soil basal respiration and enzyme activities in the root-layer soil of tea bushes in a red soil.
    红壤茶树根层土壤基础呼吸作用和酶活性
    Compared with both the unfertilized and chemical fertilized treatments, there were significant increase of soil microbial biomass carbon, nitrogen and phosphorus, basal respiration, mineralizable carbon, nitrogen, and available nutrient in the organic matter amendment plots.
    与未施肥和仅施化肥处理相比,不同有机肥管理措施下土壤微生物量碳、微生物量氮和微生物量磷、土壤基础呼吸,可矿化碳氮、速效养分等都显著增加(P≤0.05,下同);
    3. The data showed that the combined pollution of cadmium and bensulfuron-methyl at different concentration levels decreased soil basic respiration and N mineralization during the initial incubation time, and then this toxic effect decreased with the time.
    3.镉与苄嘧磺隆除草剂复合污染的不同浓度水平都不同程度的抑制了土壤基础呼吸和氮的矿化,这种抑制效应随时间的变化均表现出先增加后减小的趋势。
    The enzyme activity and carbon mineralization in the Calamagrostis angustifolia rhizosphere of soil in Sanjiang Plain, China, were investigated in order to understand the microbial effect on carbon mineralization in wetland soil.
    研究了中国三江平原小叶章湿地根际土壤基础呼吸速率及相关酶活性,以了解碳矿化及其相关酶活性空间分异特征。
    The results show that the effects of different concentrations of Cd~ 2+ on soil biochemical process are significantly different.
    结果表明:低浓度Cd对油菜土壤基础呼吸有一定的刺激作用,高浓度产生抑制作用,Cd浓度越高抑制作用越强.
    The microbial biomass carbon decreased,whereas basal respiration and qCO_2 increased with increasing of heavy metal concentration. The microbial biomass carbon in mine center soil was 72% of control,but basal respiration and qCO_2 was 1.6 and 2.3 fold respectively.
    矿区土壤随着重金属含量的增加,土壤微生物生物量碳逐渐降低,而土壤基础呼吸、微生物代谢商则升高,矿区中心污染土壤微生物生物量碳只有对照土壤的72%,而基础呼吸和微生物代谢商分别是对照土壤的1.6倍和2.3倍。
 

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