Characteristics of Water Consumption Quantities for Three Potted Shrubs Under Different Soil Moisture Contents
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    Abstract:

    Characteristics of water consumption quantities for three nomal shrubs for urban landscaping,namely Ligustrum vicaryi,Berberis thunbergii and Euonymus japonicus Thunb,were studied by means ofpot weighing method.Meanwhile,the relationships between water consumption characteristics and environmental factors were analyzed under the conditions of four different soil moisture contents.Results indicated that the diurnal variation of water consumption of the three landscape shrubs presented a single peak feature.Under the same weather conditions,the three shrubs were in the order of Ligustrum vicaryi >Euonymusjaponicus Thunb>Berberis thunbergii,in terms of the single plant water consumption quantity.The waterconsumption quantities of the three shrubs showed an ordinal decrease with decreased soil moisture content.The soil moisture content of 35%~15%field capacity significantly influenced the water consumption quantities of the three shrubs(P<0.01),which suggested that the soil moisture content resulted in a stress on thewater consumption quantities of the three shrubs.By correlation analysis,the main environmental factors forthe three shrubs were found to be air temperature and solar intensity.A multiple linear equation was established by stepwise regression,taking environmental factors as independent variables and water consumptionquantities as dependent variable,and the regression equation was fitted well.The regressionequation can beapplied to forecast the water consumption quantities of shrubs by using meteorological parameters.

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崔香,陈友媛,李亚平,韩亚军,胡广鑫.不同土壤含水量下3种盆栽灌木耗水特性研究[J].水土保持通报英文版,2012,(3):77-80

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History
  • Received:May 25,2011
  • Revised:September 21,2011
  • Adopted:
  • Online: November 25,2014
  • Published: