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  • ICAR and TNAU E-Course Summarized

    Summarized Notes
  • Due to over liming in acid soil, ____ deficiency may occur?

    Question: Due to over liming in acid soil, ____ deficiency may occur?

    Options:

    B (Boron)
    Ca (Calcium)
    Zn (Zinc)
    N (Nitrogen)

    ✅Explanation:

    • While over liming acid soil can potentially affect the availability of several nutrients, boron (B) deficiency is the most commonly observed issue. Here's why:
    -Liming increases soil pH: Calcium carbonate (CaCO₃) is the most common liming material, and it raises soil pH as it dissolves.
    -Reduced boron availability: At higher pH levels, boron becomes less soluble and less available for plant uptake. 

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