Soil temperature was the mainly factor controlling the diurnal variation of soil respiration.

土壤温度成为影响土壤呼吸的昼夜变化主要环境因子。

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Temperature, particularly the soil temperature, was the major environmental factor regulating the soil respiration.

温度，尤其地温，是影响该地区高寒草甸生态系统土壤呼吸速率的最主要环境因子。

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Root biomass was the main biological factor that determine soil total respiration amount and root respiration amount.

根系生物量的大小是决定土壤总呼吸以及根系呼吸的主要生物因子。

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