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Soil structure and carbon distribution in subsoil affected by vegetation restoration

Author

Listed:
  • F.Z. Zhao

    (Collegeof Agronomy, Northwest A&F University, Yangling, P.R. China
    Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province, Yangling, P.R. China)

  • X.H. Han

    (Collegeof Agronomy, Northwest A&F University, Yangling, P.R. China
    Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province, Yangling, P.R. China)

  • G.H. Yang

    (Collegeof Agronomy, Northwest A&F University, Yangling, P.R. China
    Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province, Yangling, P.R. China)

  • Y.Z. Feng

    (Collegeof Agronomy, Northwest A&F University, Yangling, P.R. China
    Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province, Yangling, P.R. China)

  • G.X. Ren

    (Collegeof Agronomy, Northwest A&F University, Yangling, P.R. China
    Research Center of Recycle Agricultural Engineering and Technology of Shaanxi Province, Yangling, P.R. China)

Abstract

The depth of sampling is an important factor for evaluating soil stability. The objective of this study was to test soil aggregate particle-size fractions and soil organic carbon (SOC) in water-stable aggregate by vegetation restoration through 0-60 cm soil profile. We collected soil samples in 30 years old Robinia psendoacacia (Rr); Platycladus orientalis (Po); Pinus tabulaeformis (Pt); abandoned land (Ab), and slope cropland (Sc), which were separated into > 2, 2-1, 1-0.25, 0.25-0.053, and < 0.053 mm fractions. The > 0.25 mm water-stable aggregates (WSA) and mean weight diameter (MWD) were calculated in 0-60 cm soil depth. Results showed that soil aggregate fractions (> 0.25 mm) of four vegetation types were significantly (P < 0.05) higher in 40-60 cm soil depth under Po, Pt, and Ab compared with Sc and the SOC distribution in macro-aggregates (> 0.25 mm) under Rr, Po, Pt, and Ab was higher more than 37.7, 92.4, 92.5, 79.1%, respectively in 40-60 cm compared with Sc additionally, > 0.25 mm WSA and MWD was significantly higher in Pt soil in 20-40 cm, 40-60 cm soil depth (P < 0.05). The results demonstrated that soil stability was enhanced and SOC content was increased after converting slope cropland to forest, especially under Pt forest that greatly influenced the subsoil.

Suggested Citation

  • F.Z. Zhao & X.H. Han & G.H. Yang & Y.Z. Feng & G.X. Ren, 2014. "Soil structure and carbon distribution in subsoil affected by vegetation restoration," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 60(1), pages 21-26.
    • Handle: RePEc:caa:jnlpse:v:60:y:2014:i:1:id:353-2013-pse
    DOI: 10.17221/353/2013-PSE
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    References listed on IDEAS

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    1. Z.M. Wang & B. Zhang & K.S. Song & D.W. Liu & F. Li & Z.X. Guo & S.M. Zhang, 2008. "Soil organic carbon under different landscape attributes in croplands of Northeast China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 54(10), pages 420-427.
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    Cited by:

    1. Man Liu & Guilin Han & Zichuan Li & Qian Zhang & Zhaoliang Song, 2019. "Soil organic carbon sequestration in soil aggregates in the karst Critical Zone Observatory, Southwest China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(5), pages 253-259.
    2. Zhi LI & Ling ZHANG & Jing CHEN & Xueling ZHANG & Suqin YU & Wenyuan ZHANG & Xiaochi MA & Xiaomin GUO & Dekui NIU, 2017. "Response of soil sulfur availability to elevation and degradation in the Wugong Mountain meadow, China," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 63(6), pages 250-256.

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