Geography · Indian Soils
Chemically, Black Soil (Regur Soil) is rich in which of the following combinations of elements?
- 1Sulphur and Nitrogen only
- 2Potash and Humus only
- 3Phosphorus, Nitrogen, and Organic Matter
- 4Iron, Lime, and Magnesia✓
Correct answer
Iron, Lime, and Magnesia
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