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Determining saturated hydraulic conductivity of a repacked loam soil by the simplified falling-head technique: Impact of sieving duration and scraping of exposed surfaces

Author

Listed:
  • Dario Autovino
  • Vincenzo Bagarello

    (Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy)

  • Gaetano Caltabellotta

    (Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy)

  • Mariachiara Fusco

    (Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy)

  • Massimo Iovino

    (Department of Agricultural, Food and Forest Sciences, University of Palermo, Palermo, Italy)

Abstract

Many methods are used in a laboratory for packing sieved soil. Determination of soil properties is expected to vary with the applied packing method. The objective of this investigation was to test the impact of initial soil sieving duration and scraping of exposed soil surfaces on saturated hydraulic conductivity (Ks) of an initially air-dry loam soil determined by the simplified falling-head technique. Two sieving durations (5 and 30 min) were considered. A brush was used to scrape exposed surfaces for half of the tested soil columns. A long sieving yielded finer soil than a short sieving and 9-22% smaller values of Ks. Scraping the exposed soil surfaces yielded 4-17% smaller Ks values than those obtained on the not scraped columns. None of the observed differences was statistically significant. Therefore, sieving duration and treatment of the exposed soil surfaces were minor factors influencing the determination of Ks. Reaching general conclusions about sieving duration and scraping effects requires testing these factors with other soils, initial soil water conditions and Ks measurement techniques.

Suggested Citation

  • Dario Autovino & Vincenzo Bagarello & Gaetano Caltabellotta & Mariachiara Fusco & Massimo Iovino, 2024. "Determining saturated hydraulic conductivity of a repacked loam soil by the simplified falling-head technique: Impact of sieving duration and scraping of exposed surfaces," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 19(4), pages 210-217.
    • Handle: RePEc:caa:jnlswr:v:19:y:2024:i:4:id:79-2024-swr
    DOI: 10.17221/79/2024-SWR
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    References listed on IDEAS

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    1. Xiaolong Wu & Zhongju Meng & Xiaohong Dang & Ji Wang, 2021. "Effects of rock fragments on the water infiltration and hydraulic conductivity in the soils of the desert steppes of Inner Mongolia, China," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 16(3), pages 151-163.
    2. Peter Šurda & Ľubomír Lichner & Massimo Iovino & Slavomír Hološ & Anton Zvala, 2023. "The Effect of Heating on Properties of Sandy Soils," Land, MDPI, vol. 12(9), pages 1-11, September.
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