Question:
Which soil needs liming for effective and efficient fertilizer use?
Which soil needs liming for effective and efficient fertilizer use?
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Remember soil pH and amendments:
- Acidic soils (pH $<$ 6.5): Liming required.
- Alkaline soils (pH $>$ 8.5): Gypsum/Sulfur required.
- Saline soils: Leaching required.
- Saline-Sodic soils: Gypsum + Organic matter required.
- Acidic soils (pH $<$ 6.5): Liming required.
- Alkaline soils (pH $>$ 8.5): Gypsum/Sulfur required.
- Saline soils: Leaching required.
- Saline-Sodic soils: Gypsum + Organic matter required.
Updated On: Aug 20, 2026
- Saline soils
- Alkaline soils
- Saline-Sodic soils
- Acidic soils
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Step 1: Understanding the Concept:
Liming is the process of adding calcium or magnesium compounds (like lime) to soil to raise pH and reduce acidity.
Step 2: Detailed Explanation:
Acidic soils have low pH and are deficient in calcium and magnesium.
Liming helps to:
- Neutralize soil acidity (increase pH).
- Improve nutrient availability (especially phosphorus, molybdenum).
- Reduce toxicity of aluminum and manganese.
- Enhance microbial activity and nitrogen fixation.
Saline soils have high pH (alkaline) and do not require liming.
Alkaline soils have high pH and require gypsum or sulfur, not lime.
Saline-Sodic soils also require gypsum or organic amendments.
Step 3: Final Answer:
Thus, liming is required for acidic soils, which corresponds to option (D).
[0.5cm]
Liming is the process of adding calcium or magnesium compounds (like lime) to soil to raise pH and reduce acidity.
Step 2: Detailed Explanation:
Acidic soils have low pH and are deficient in calcium and magnesium.
Liming helps to:
- Neutralize soil acidity (increase pH).
- Improve nutrient availability (especially phosphorus, molybdenum).
- Reduce toxicity of aluminum and manganese.
- Enhance microbial activity and nitrogen fixation.
Saline soils have high pH (alkaline) and do not require liming.
Alkaline soils have high pH and require gypsum or sulfur, not lime.
Saline-Sodic soils also require gypsum or organic amendments.
Step 3: Final Answer:
Thus, liming is required for acidic soils, which corresponds to option (D).
[0.5cm]
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