Districts with soil like Nagapattinam

Ranked by how closely their soil tests match: the share of samples low or short in each nutrient, pH and salt.
  1. Krishnagiri, Tamil Nadu Grows Ragi (Finger Millet), Other Pulses, Rice Compare
  2. Baghpat, Uttar Pradesh Grows Sugarcane, Wheat, Rice Compare
  3. Cuddalore, Tamil Nadu Grows Rice, Urad (Black Gram), Cashew Compare
  4. Panchkula, Haryana Grows Wheat, Rice, Maize Compare
  5. Ajmer, Rajasthan Grows Gram (Chana), Jowar (Sorghum), Moong (Green Gram) Compare
  6. Kolar, Karnataka Grows Ragi (Finger Millet), Other Pulses, Horse Gram (Kulthi) Compare
  7. Eluru, Andhra Pradesh Grows Rice, Other Oilseeds, Maize Compare
  8. Thanjavur, Tamil Nadu Grows Rice, Coconut, Urad (Black Gram) Compare
  9. Mayiladuthurai, Tamil Nadu Grows Rice, Urad (Black Gram), Moong (Green Gram) Compare
  10. Charkhi Dadri, Haryana Grows Rapeseed & Mustard, Bajra (Pearl Millet), Wheat Compare

Yields also depend on water, weather, seeds and farming practice, not only soil.

Source: Soil Health Card – soil nutrient analysis (Ministry of Agriculture & Farmers Welfare).