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Tillage effect on soil organic carbon, microbial biomass carbon and crop yield in spring wheat-field pea rotation

Author

Listed:
  • S. Yeboah

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China
    College of Resources and Environmental Sciences, Gansu Agricultural University,)

  • R. Zhang

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China
    College of Resources and Environmental Sciences, Gansu Agricultural University,)

  • L. Cai

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China
    College of Resources and Environmental Sciences, Gansu Agricultural University,)

  • L. Li

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China)

  • J. Xie

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China)

  • Z. Luo

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China
    College of Resources and Environmental Sciences, Gansu Agricultural University,)

  • J. Liu

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China)

  • J. Wu

    (Gansu Provincial Key Lab of Aridland Crop Science, Gansu Agricultural University, Lanzhou, P.R. China
    College of Resources and Environmental Sciences, Gansu Agricultural University,)

Abstract

This research was conducted to assess the influence of long-term tillage system on soil organic carbon, microbial biomass carbon, root biomass and crop yield in spring wheat-field pea rotation fields in a rainfed semi-arid environment from 2013 through 2015. The treatments were; conventional tillage with stubble removed (T); no-till with stubble removed (NT); no-till with stubble retained (NTS) and conventional tillage with stubble incorporated (TS) arranged in a randomised complete block design with three replicates. The soil organic carbon in NTS increased by 16% and 14% over T and NT. Compared with the T and NT, NTS increased soil microbial biomass carbon by 42% and 38% in 0-30 cm depth, respectively. Root biomass was significantly increased in NTS by 47% and 54% over T and NT, respectively. Across the three years, NTS had an average grain yield of 53% and 41% higher than T and NT, respectively. Compared with NTS, T and NT decreased root biomass by 54% and 48%, respectively. In view of the limited and erratic biomass production in this region, integration of no-till with straw mulching is recommended for soil fertility improvement, environmental quality and sustainable crop production.

Suggested Citation

  • S. Yeboah & R. Zhang & L. Cai & L. Li & J. Xie & Z. Luo & J. Liu & J. Wu, 2016. "Tillage effect on soil organic carbon, microbial biomass carbon and crop yield in spring wheat-field pea rotation," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 62(6), pages 279-285.
    • Handle: RePEc:caa:jnlpse:v:62:y:2016:i:6:id:66-2016-pse
    DOI: 10.17221/66/2016-PSE
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    Cited by:

    1. Xiang LIU & Zhiming QI & Quan WANG & Zhiwen MA & Lanhai LI, 2017. "Effects of biochar addition on CO2 and CH4 emissions from a cultivated sandy loam soil during freeze-thaw cycles," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 63(6), pages 243-249.

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