磷酸二氢钾有促进气孔开张的作用，使蒸腾强度和相对失水率相应增大。
Potassium dihydrogen phosphate promoted the opening of stomates so as to increase evapotranspiration intensity and relative water loss rate.
用LI- 1600稳态气孔仪，测定了河西地区分布较广的五种木本植物的蒸腾和传导率及环境因子。
The transpiration and conductivity rate of five kinds of plants widely distributed in He-Xi area and the environmental factors were measured by LI-1600 Steady State Porometer.
三步移栽炼苗过程中气孔指标及蒸腾强度呈规律性变化，幼苗成活率在70%以上。
The stomatal index and transpiration rate changed regularly during three-steps transplantation and the survival rate was over 70 %.
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。
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.
乙烯利和水杨酸能提高甘蔗的净光合速率，处理后的20天内降低了蒸腾递率和气孔导度。
Ethephon and SA treatments could increase the net photosynthesis in two sugarcane varieties, but decreased the gas conductance and evaporation after within 20 days after the treatments.
结果表明，蒸腾速率、叶水势、叶片相对含水率、耗 水量和耗 水系数均随十壤水分的减少而呈降低趋势。
The results showed that the transpiration rate, leaf RWC, water potential, water-consumption and water use coefficient were decreased with soil water decreasing.
结果表明，蒸腾速率、叶水势、叶片相对含水率、耗 水量和耗 水系数均随十壤水分的减少而呈降低趋势。
The results showed that the transpiration rate, leaf RWC, water potential, water-consumption and water use coefficient were decreased with soil water decreasing.
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