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Analysis of the Impact of Rural Households’ Behaviors on Heavy Metal Pollution of Arable Soil: Taking Lankao County as an Example

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  • Shixin Ren

    (Key Research Institute of Yellow River Civilization and Sustainable Development & Henan Collaborative Innovation Center for the Yellow River Civilization Heritage and Modern Civilization Construction, College of Environment and Planning/Agricultural and Rural Sustainable Development Research Institute, Henan University, Kaifeng 475004, China)

  • Erling Li

    (Key Research Institute of Yellow River Civilization and Sustainable Development & Henan Collaborative Innovation Center for the Yellow River Civilization Heritage and Modern Civilization Construction, College of Environment and Planning/Agricultural and Rural Sustainable Development Research Institute, Henan University, Kaifeng 475004, China
    Collaborative Innovation Center of Urban-Rural Coordinated Development, Henan Province, Academician Laboratory for Urban and Rural Spatial Data Mining, Zhengzhou 450000, China)

  • Qingqing Deng

    (Key Research Institute of Yellow River Civilization and Sustainable Development & Henan Collaborative Innovation Center for the Yellow River Civilization Heritage and Modern Civilization Construction, College of Environment and Planning/Agricultural and Rural Sustainable Development Research Institute, Henan University, Kaifeng 475004, China)

  • Haishan He

    (Key Research Institute of Yellow River Civilization and Sustainable Development & Henan Collaborative Innovation Center for the Yellow River Civilization Heritage and Modern Civilization Construction, College of Environment and Planning/Agricultural and Rural Sustainable Development Research Institute, Henan University, Kaifeng 475004, China)

  • Sijie Li

    (Key Research Institute of Yellow River Civilization and Sustainable Development & Henan Collaborative Innovation Center for the Yellow River Civilization Heritage and Modern Civilization Construction, College of Environment and Planning/Agricultural and Rural Sustainable Development Research Institute, Henan University, Kaifeng 475004, China)

Abstract

As heavy metal pollution of arable soil is a significant issue concerning the quality of agricultural products and human health, the rural households’ behaviors have a direct impact on heavy metal content in arable soil and its pollution level, but only a few researches have been done at such microscopic scale. Based on 101 field questionnaires of rural households in Lankao County and the monitoring data on heavy metal of arable soil of each rural household, the kind of rural households’ behaviors which impose obvious influence on heavy metal content of arable soil are investigated via single-factor pollution index, Nemerow pollution index and econometric model in this study. The results show that, rural households’ land utilization mode affects heavy metal content in soil, e.g., the degree of heavy metal pollution of soil for intensive planting is higher than that of traditional planting, viz. vegetable greenhouse > garlic land > traditional crop farmland. The management of cultivated land with due scale is beneficial to reducing heavy metal content in soil, that is, the land fragmentation degree is in direct proportion to heavy metal content in soil, so rural households are encouraged to carry out land circulation and combine the patch into a large one. Excess application of fertilizer, pesticide and organic fertilizer will lead to heavy metal pollution of soil, while agricultural technical training organized by government department and the foundation of agricultural cooperative can promote the technical level and degree of organization of rural households and enable them to be more scientific and rational in agrochemicals selection and application, hence reducing or avoiding heavy metal pollution of soil. Single factor pollution level of heavy metal in the soil for planting various crops is different, so it is recommended to prepare various pollution reduction programs for different land types and pollution levels for the harmony and unity of human-nature system.

Suggested Citation

  • Shixin Ren & Erling Li & Qingqing Deng & Haishan He & Sijie Li, 2018. "Analysis of the Impact of Rural Households’ Behaviors on Heavy Metal Pollution of Arable Soil: Taking Lankao County as an Example," Sustainability, MDPI, vol. 10(12), pages 1-15, November.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:12:p:4368-:d:185007
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    References listed on IDEAS

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    1. Fanus Asefaw Aregay & Zhao Minjuan & Xu Tao, 2018. "Knowledge, attitude and behavior of farmers in farmland conservation in China: an application of the structural equation model," Journal of Environmental Planning and Management, Taylor & Francis Journals, vol. 61(2), pages 249-271, January.
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    2. Chen, Yanming & Yao, Mengru & Zhao, Qiqi & Chen, Zhenjie & Jiang, Penghui & Li, Manchun & Chen, Dong, 2021. "Delineation of a basic farmland protection zone based on spatial connectivity and comprehensive quality evaluation: A case study of Changsha City, China," Land Use Policy, Elsevier, vol. 101(C).
    3. Hua Lu, 2019. "Impact of Non-Agricultural Employment and Environmental Awareness on Farmers’ Willingness to Govern the Heavy Metal Pollution of Farmland: A Case Study of China," Sustainability, MDPI, vol. 11(7), pages 1-16, April.
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