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Short-Term Effects of Different Straw Returning Methods on the Soil Physicochemical Properties and Quality Index in Dryland Farming in NE China

Author

Listed:
  • Wei Fan

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Jinggui Wu

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Sharaf Ahmed

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Juan Hu

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China)

  • Xiaodong Chen

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Xiaohang Li

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Wenyue Zhu

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

  • Yaa Opoku-Kwanowaa

    (College of Resources and Environment Sciences, Jilin Agricultural University, Changchun 130118, China)

Abstract

A field experiment was designed to assess the impacts of various maize straw (stover) returning methods on the basic soil physicochemical properties and soil quality index in Jilin (NE China). The five treatments were no return of straw residues (CK), straw incorporated evenly into the soil using the crashing-ridging technique (EIS), straw mulching (SM), straw plowed into the soil (SP), and straw returned in granulated form (SG). Relative to the no straw return, EIS effectively reduced soil bulk density and penetration resistance, increased soil total organic carbon (TOC), macroaggregate-associated carbon content, and the accumulation of soil humus. Furthermore, EIS improved soil structure and soil aggregate stability and significantly increased the soil quality index. Among the various straw returning treatments, SM and SG significantly promoted soil macroaggregation and increased macroaggregate-associated carbon content by 23.69% and 21.70% at the soil surface, respectively (as compared with the control). Compared to SM, SP, and SG, EIS significantly enhanced the aliphaticity and hydrophobicity of soil organic carbon. These results suggested that EIS was the most efficient straw return mode to increase TOC and improve soil structure and fertility.

Suggested Citation

  • Wei Fan & Jinggui Wu & Sharaf Ahmed & Juan Hu & Xiaodong Chen & Xiaohang Li & Wenyue Zhu & Yaa Opoku-Kwanowaa, 2020. "Short-Term Effects of Different Straw Returning Methods on the Soil Physicochemical Properties and Quality Index in Dryland Farming in NE China," Sustainability, MDPI, vol. 12(7), pages 1-12, March.
    • Handle: RePEc:gam:jsusta:v:12:y:2020:i:7:p:2631-:d:337382
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    Citations

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    Cited by:

    1. Saven Thai & Tomáš Davídek & Lenka Pavlů, 2022. "Causes clarification of the soil aggregates stability on mulched soil," Soil and Water Research, Czech Academy of Agricultural Sciences, vol. 17(2), pages 91-99.
    2. Valentyna Kukharets & Dalia Juočiūnienė & Taras Hutsol & Olena Sukmaniuk & Jonas Čėsna & Savelii Kukharets & Piotr Piersa & Szymon Szufa & Iryna Horetska & Alona Shevtsova, 2023. "An Algorithm for Managerial Actions on the Rational Use of Renewable Sources of Energy: Determination of the Energy Potential of Biomass in Lithuania," Energies, MDPI, vol. 16(1), pages 1-17, January.

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