Effects of different drip irrigation modes on water use efficiency of pear trees in Northern China

Abstract Unreasonable layout of drip irrigation systems and inappropriate irrigation decision-making methods in orchards in water-scarce areas in Northern China result in low water use efficiency (WUE). In order to reveal the effect of drip irrigation mode on WUE of orchards and improve efficient use of water resources, this study used pear (Pyrus pyrifolia cv. Whangkeumbae) as a test material to conduct a two-year field irrigation experiment, considering the two factors of drip irrigation pipes layout and lower limit of soil moisture，five drip irrigation modes and a control treatment (CK) were set up. By measuring the soil moisture content, water consumption, yield and fruit quality, the effects of different drip irrigation modes on spatial coefficient of variation (CV) of soil moisture, pear tree growth and WUE were evaluated. The results showed that the CV and the soil moisture content showed a significant linear negative correlation (p

• Publication year

  2020

• Venue

  Agricultural Water Management

• Publication date

  2020-11-25

• Fields of study

  Agricultural and Food Sciences, Environmental Science

• Identifiers
  DOI 10.1016/j.agwat.2020.106660
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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