Geography · Black Soil
काली मिट्टी में किन तत्वों की बहुलता होती है?
- 1फास्फोरस, आयरन, जीवांश (Humus)
- 2आयरन, चूना, मैग्नीशियम✓
- 3नाइट्रोजन, कैल्शियम, सिलिकॉन
- 4नाइट्रोजन, फास्फोरस, पोटेशियम
सही उत्तर देखें
आयरन, चूना, मैग्नीशियम
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