Question:medium
Average Zinc content of mineral soils varies from:
Average Zinc content of mineral soils varies from:
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Do not confuse total soil content with available soil content.
Total Zinc is 10--330 ppm, whereas available (DTPA-extractable) zinc is critical when it drops below 0.6 ppm (deficiency threshold).
Total Zinc is 10--330 ppm, whereas available (DTPA-extractable) zinc is critical when it drops below 0.6 ppm (deficiency threshold).
Updated On: Aug 18, 2026
- 10 to 330 ppm
- 1 to 30 ppm
- 350 to 500 ppm
- 500 to 1000 ppm
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The Correct Option is A
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