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。
The diurnal variation of Pn in hebei-walnut was influenced by light intensity, leaf temperature and intercellular CO2 concentration.
影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO_2浓度。
The results show that the diurnal variation of leaf-air temperature difference varies under different soil moisture conditions, the low soil moisture results in large leaf-air temperature difference.
结果表明：水稻叶气温差在不同的土壤水分条件下表现出不同的日变化规律，较低的土壤水分导致了较高的叶气温差；
The diurnal variation of light intensity, temperature showed relatively lower in the early morning and evening, and higher in the midday, while the relative humidity showed the reverse change trend.
南方日光温室光照强度、温度的日变化呈现出早晨和傍晚较低、中午高的趋势，湿度则呈相反的趋势。
The result showed that the diurnal variation of temperature, irradiation intensity, net radiation as a curve in cotton canopy of two irrigation ways.
结果表明，在两种灌溉方式下棉花冠层内的温度、光照强度和净辐射日变化曲线均呈单峰线；
The result showed that the diurnal variation of temperature, irradiation intensity, net radiation as a curve in cotton canopy of two irrigation ways.
结果表明，在两种灌溉方式下棉花冠层内的温度、光照强度和净辐射日变化曲线均呈单峰线；
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