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Updated: Jun 19, 2026

A Protocol for Collecting and Constructing Soil Core Lysimeters
13:23

A Protocol for Collecting and Constructing Soil Core Lysimeters

Published on: June 6, 2016

[Measurement difference in paddy field nitrogen leakage by using different type lysimeters].

Mi Wang1, Zhi-Wei Chen, Jing-Ping Yang

  • 1College of Life Sciences, Zhejiang University, Hangzhou 310058, China. amy6305@gmail.com

Ying Yong Sheng Tai Xue Bao = the Journal of Applied Ecology
|October 7, 2009
PubMed
Summary

Different lysimeter types yield varying nitrogen (N) leakage measurements in paddy fields. Vertical lysimeters provide N loss data closer to traditional plot methods, indicating their suitability for accurate assessment.

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Area of Science:

  • Agricultural Science
  • Environmental Science
  • Soil Science

Context:

  • Nitrogen (N) management in rice cultivation is crucial for optimizing yields and minimizing environmental impact.
  • Lysimeters are essential tools for quantifying nutrient losses from agricultural systems.
  • Understanding N dynamics in paddy fields requires accurate measurement of N species in leachate.

Purpose:

  • To compare nitrogen (N) concentrations (ammonia N, nitrate N, total N) in paddy field leachate using vertical and 'T' type lysimeters.
  • To evaluate the total N leakage loss under different N application levels during the rice growing season.
  • To determine the most accurate lysimeter type for measuring N loss in paddy fields.

Summary:

  • Vertical and 'T' type lysimeters measured varying concentrations of ammonia N, nitrate N, and total N in paddy field leachate.
  • Nitrate N was the dominant N form in the leachate, with higher concentrations observed in 2007 compared to 2006.
  • Total N leakage loss was significantly higher when measured with vertical lysimeters compared to 'T' type lysimeters, with vertical lysimeter data aligning more closely with plot-leaching estimates.

Impact:

  • The study highlights the importance of selecting appropriate lysimeter types for accurate N loss assessment in paddy fields.
  • Findings suggest that different methods for calculating N leakage are necessary based on the lysimeter type used.
  • Results provide valuable data for improving N management strategies in rice cultivation to reduce environmental pollution.