Characteristics of the water–energy–carbon fluxes of irrigated pear (Pyrus bretschneideri Rehd) orchards in the North China Plain

•Daily T/ET varied 0.6–0.9 from May to October while ET was 759mmyr−1 of pear trees.•With larger ET, pear trees had lower WUE (1.98gCO2/kgH2O) than agro-ecosystem.•Carbon exchange depended on available energy and ET.•Plant area of pear trees should be reduced from the perspective of water saving. Pe...

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Veröffentlicht in:	Agricultural water management 2013-10, Vol.128, p.140-148
Hauptverfasser:	Zhang, Yucui, Shen, Yanjun, Xu, Xianli, Sun, Hongyong, Li, Fang, Wang, Qian
Format:	Artikel
Sprache:	eng
Schlagworte:	Agricultural and forest climatology and meteorology. Irrigation. Drainage Agricultural and forest meteorology agroecosystems Agronomy. Soil science and plant productions Biological and medical sciences carbon Carbon dioxide crops eddy covariance Energy flux energy transfer Evapotranspiration fruit growing Fundamental and applied biological sciences. Psychology General agronomy. Plant production groundwater heat transfer irrigation leaf area index orchards Pear pears plant growth planting Pyrus sap flow soil water transpiration trees water balance Water balance and requirements. Evapotranspiration water shortages water use efficiency
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