Effects of Discharge of Dripper on Soil Water and Heat Energy Movements Under Water Storage Pit Irrigation

Conference paper
Part of the Environmental Earth Sciences book series (EESCI)

Abstract

Water storage pit irrigation was combined with drip irrigation, and the influence of discharge of the dripper on soil water and heat movements was examined to explore a better water-saving irrigation. The results showed that the maximum soil moisture content appeared below the drop point after irrigation. In addition, the soil moisture content near the drop point has a greater change than soil moisture content near the wetting front. There was only a little trend after 24 h of irrigation because of water evaporation. It was also found that increased discharge of the dripper not only increased the volume of the wetted soil, but also increased the soil moisture content of each layer. In addition, a different dripper discharge pit has an effect on soil temperature about water storage pit; the temperature is higher with greater flow than with a small flow.

Keywords

Water storage pit irrigation Drip irrigation Wetting front Soil temperature 

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Copyright information

© Springer International Publishing AG, part of Springer Nature 2019

Authors and Affiliations

  • Fei Li
    • 1
  • Chao Ma
    • 1
  • Lihua Hao
    • 1
  • Shubin Li
    • 2
  • Qiang Ma
    • 3
  • Ming Xu
    • 4
  • Yunxin Zhang
    • 1
  • Lishu Wang
    • 1
  • Yunpu Zheng
    • 1
  1. 1.School of Water Conservancy and HydropowerHebei University of EngineeringHandanChina
  2. 2.Office of Fu-Zhang River Irrigation and Water Supply ManagementHandanChina
  3. 3.Yahoo! Inc.SunnyvaleUSA
  4. 4.Center for Remote Sensing and Spatial Analysis, Department of Ecology, Evolution and Natural ResourcesRutgers UniversityNew BrunswickUSA

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