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Micro-morphological Features of Topsoil under Long-term Cultivation of Grain and Cotton Crops in Northwestern Shandong

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  • ZHANG,Baohua
  • LIU,Ziting
  • CAO,Jianrong
  • TAO,Baoxian

Abstract

This study aimed to provide a basis for the rational improvement of the microstructure of the soil that had been planted with crops for a long time. Conventional and micro-morphological methods were used to study the effects of planting grain and cotton crops on soil properties in Gaotang County, Shandong Province. The results showed that long-term cultivation of grain and cotton crops has a significant impact on soil micro-structure. The top soil (0-10 cm) of wheat-maize field has higher organic matter content, uniform aggregate size, high separation, and strong packing void connectivity, forming a type micro-structure that is conducive to agricultural production. The characteristics of soil matrix are mainly inherited from soil parent materials, and the impact of crop cultivation on soil matrix is very weak. The amount of formations in the soil is less, and only Fe nodules, Mn nodules and excrement are observed.

Suggested Citation

  • ZHANG,Baohua & LIU,Ziting & CAO,Jianrong & TAO,Baoxian, 2018. "Micro-morphological Features of Topsoil under Long-term Cultivation of Grain and Cotton Crops in Northwestern Shandong," Asian Agricultural Research, USA-China Science and Culture Media Corporation, vol. 10(06), June.
    • Handle: RePEc:ags:asagre:279515
    DOI: 10.22004/ag.econ.279515
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    Keywords

    Agribusiness;

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