Question

    The pH of soil for orange cultivation should

    be
    A 6.5 to 7.5 Correct Answer Incorrect Answer
    B more than 7.5 Correct Answer Incorrect Answer
    C less than 6.5 Correct Answer Incorrect Answer
    D above 10 Correct Answer Incorrect Answer

    Solution

    1. Physiological Basis:  a. Optimal nutrient availability (Fe, Zn, Mn)  b. 5.5-6.5 for Nagpur oranges  c. 6.0-7.0 for Kinnow 2. Amendment Practices:  a. Lime application if pH <5.5  b. Sulfur if pH >7.5

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