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Effect of Variation in Row Spacing on Soil Wind Erosion, Soil Properties, and Cyperus esculentus Yield in Sandy Land

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  • Yalan Liu

    (Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    Cele National Station of Observation and Research for Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China
    State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi 830011, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Wei Ren

    (Jilin Academy of Agricultural Sciences, Changchun 130124, China
    These authors contributed equally to this work.)

  • Yue Zhao

    (Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    Cele National Station of Observation and Research for Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China
    State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi 830011, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Xiangyi Li

    (Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    Cele National Station of Observation and Research for Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China
    State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi 830011, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Lei Li

    (Xinjiang Key Laboratory of Desert Plant Roots Ecology and Vegetation Restoration, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China
    Cele National Station of Observation and Research for Desert-Grassland Ecosystem in Xinjiang, Cele 848300, China
    State Key Laboratory of Desert and Oasis Ecology, Chinese Academy of Sciences, Urumqi 830011, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

Abstract

Cyperus esculentus is highly adaptable to extremely arid conditions and functions of oil extraction and sand fixation. Numerous studies have investigated the influence of row spacing on traditional crop growth and soil physicochemical traits but have not determined how cultivation affects C. esculentus growth and soil properties. Therefore, we conducted a field experiment in a sandy land to explore the responses of the organ yields of C. esculentus , soil wind erosion, and soil properties to row spacing (30, 60, or 90 cm), and bare land was used as the control. The highest plant height, plant density, number of tillers, and organ yields were observed at 30 cm row spacing. However, the lowest degree of soil erosion was also observed at 30 cm row spacing, and the coverage of C. esculentus facilitated soil fixation and conservation. The levels of soil wind erosion in the control plot were 11.7, 3.1, and 4.9 times those at 30, 60, and 90 cm row spacing, respectively. The percentages of clay and silt increased, whereas sand particles decreased with decreasing levels of soil wind erosion. Soil texture improved, and soil nutrients and plant growth were altered. Soil nutrient concentrations, yields, and root nutrient concentrations were positively related to clay percentage and negatively related to sand particles. In addition, the microbial biomass carbon and nitrogen significantly increased in the C. esculentus treatment groups, suggesting that planting C. esculentus promotes the survival and development of microorganisms. Overall, this study indicated that planting C. esculentus can decrease the level of soil wind erosion and improve soil quality. Narrow row spacing (30 cm) has the highest crop yield and soil amelioration and produces optimal ecological and economic benefits.

Suggested Citation

  • Yalan Liu & Wei Ren & Yue Zhao & Xiangyi Li & Lei Li, 2022. "Effect of Variation in Row Spacing on Soil Wind Erosion, Soil Properties, and Cyperus esculentus Yield in Sandy Land," Sustainability, MDPI, vol. 14(21), pages 1-9, October.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:21:p:14200-:d:958782
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    References listed on IDEAS

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    1. Chen, Suyin & Zhang, Xiying & Sun, Hongyong & Ren, Tusheng & Wang, Yanmei, 2010. "Effects of winter wheat row spacing on evapotranpsiration, grain yield and water use efficiency," Agricultural Water Management, Elsevier, vol. 97(8), pages 1126-1132, August.
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