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The extent of Zn-deficient soils is approximately

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The extent of Zn-deficient soils is approximately

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Correct Answer: Option C
The extent of Zn-deficient soils is approximately 50%.
About 50% of soil samples analyzed for available Zn were found deficient in India. Significant improvement in crop yield and quality through the balanced application of Zn has been reported across India. Adequate Zn application to crops is important for the food and nutritional security of India.
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