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研究了甘肃黑河地区麦田土壤水分的变化动态。对春小麦不同部位叶片及不同土壤水分的叶水势、气孔导度和蒸腾强度的日变化规律进行了观测和分析。对春小麦叶鞘、叶片和茎水势的变化情况进行了比较。分析了土壤水分对叶水势、气孔导度和蒸腾强度的影响。建立了相对应的函数关系。
The dynamic changes of soil moisture in wheat fields in Heihe Gansu Province were studied. The diurnal variation of leaf water potential, stomatal conductance and transpiration of leaves and soil moisture in different parts of spring wheat were observed and analyzed. Spring leaf sheath, leaf and stem water potential changes were compared. The effects of soil moisture on leaf water potential, stomatal conductance and transpiration rate were analyzed. Established the corresponding function.