Anatomic construction, density and relative opening degree of stomata, stoma conductivity, transpiration rate, and photosynthetic rate of pear leaves of both irrigated and dry land were tested.

比较测定了水、旱地梨树的叶片解剖构造、气孔分布密度与相对开张度、气孔传导率、蒸腾速率以及光合速率。

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It was shown from results that the main meteorological factor affecting wheat transpiration are temperature, light intensity and relative humidity.

结果认为影响小麦蒸腾的主要气象因子是温度、光照强度和湿度。

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The increase in relative humidity resulted in a significant decrease of the fruit transpiration rates.

京白梨果实蒸腾速率随着相对湿度增大，明显降低。

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