Results showed that precipitation could stimulate wetland soil CO2 emission rate(P<0.01), but this phenomenon could not be found in farmland soil.
结果表明：降雨导致湿地土壤CO2释放速率显著增加（P＜0.01），而农田土壤无显著差异。
The temperature sensitivity of soil CO2 efflux in forest ecosystem in China, Q10 value, was estimated. It was 1.5 and much lower than the global averaged value, 2.0.
作为衡量土壤CO2释放对温度敏感性的重要指标，计算了我国森林生态系统土壤CO2释放温度敏感性系数-Q10值，约为1.5，该值显著低于全球平均水平，2.0。
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.
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。
The research was carried out to understand effect of application of rye straw on transformation of inorganic nitrogen in soil, and on N2O and CO2 emissions.
本研究通过培养试验探讨了添加黑麦秸秆对土壤中无机氮的形态转化和N_2O、CO_2释放的影响。
And under the same temperature and moist condition, the relatively value of CO2 released rate was increasing with the soil organic carbon content.
相同温度与土壤水分条件下，CO2排放速率相对值大小随土壤有机碳含量增加而增加。
Elevated atmospheric CO2 concentration significantly increase crops biomass, which will input more carbon into soil to affect soil carbon stability and accumulation.
大气CO2浓度升高显著增加作物生物量，从而使进入土壤的有机碳增加，这势必会影响土壤碳的稳定和积累。
CO2 emission flux of soil under several vegetation covers during daytime is higher than that at night, and afternoon higher than the morning.
各类植被覆盖下土壤CO 2排放通量均表现为白天高于夜间，午后高于午前。
The change law of release amount of CO2 from thin soil layer has the positive correlation with temperature.
而薄土层土壤CO_2释放量变化规律，与气温变化规律呈正相关，CO_2释放量不存在“滞后性”。
The biodegradability of regenerated cellulose film was tested by soil-burial test in field, culture-dish test and CO2 evolution test respectively.
采用田间掩埋、平皿培养和CO2释放试验分别测试了再生纤维素膜的生物降解性。
Results showed: (1) daily CO2 emission from soil-wheat system varified remarkably.
结果表明，（1）土壤-小麦系统的CO2排放通量存在着明显的日变化。
With the CO2, Mars' soil would be capable of growing crops for food, he said.
他说，有了二氧化碳，火星的土壤就能种植庄稼。
The following points are strongly suggested for nearly further considerations of the Greenhouse Engineers: CO2 caused by air exchanges and inner organic material-rich soil respiration.
建议今后在温室自然通风量和室内有机基质CO_2生产量两个方面进行进一步的工作。
A minor change in soil respiration rate can significantly slow down or accelerate the increase of atmospheric CO2 concentration that is closely related to global climatic change.
土壤呼吸即使发生较小的变化也能显著地减缓或加剧大气中CO2浓度的增加，从而明显影响到全球气候变化。
Forest soil is the important source and sink of greenhouse gas in atmosphere. The main greenhouse effect gases, such as CO2, CH4 and N2O, are related to this system directly or indirectly.
森林土壤是大气温室气体重要的源和汇，主要的温室效应气体CO2、CH4及N2O都直接或间接与这个系统有关。
The differences in the soil status, hydrological condition, and vegetation type in wetland result in a strong spatiotemporal variability of CH4 and CO2 emission from wetland.
湿地的土壤状况、水文条件及植被类型的不同导致湿地CH4和CO2的排放具有极强的时空变异性。
The mechanism of Soil organic matter and wheat straw decomposition were discussed through the accumulated CO2, microbial biomass and inorganic nitrogen content.
测定秸秆和土壤有机质分解过程中CO_2释放量、土壤微生物量和土壤无机氮含量变化，探讨土壤有机质和秸秆分解的规律。
Waste not only discharges CO2 and methane into the atmosphere, it can also pollute the air, groundwater and soil.
滥用购物袋不仅会增加二氧化碳和甲烷的排量，也会污染空气、地下水源和土壤。
The results showed that there existed apparent diurnal courses of CO2 emission amount in soil under different conditions.
根据碱溶液吸收法 ，对西安地区不同植被条件下土壤CO2 释放量进行了昼夜观测 。
One potential method involves enhancing the role of the soil that plants grow in, with regard to absorbing CO2.
一个可能的措施是加强培育植物的土壤在吸收二氧化碳方面的作用。
One potential method involves enhancing the role of the soil that plants grow in, with regard to absorbing CO2.
一个可能的措施是加强培育植物的土壤在吸收二氧化碳方面的作用。
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