Districts with soil like Thanjavur

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. Mayiladuthurai, Tamil Nadu Grows Rice, Urad (Black Gram), Moong (Green Gram) Compare
  3. Sivaganga, Tamil Nadu Grows Rice, Coconut, Chillies (Dry) Compare
  4. Nagapattinam, Tamil Nadu Grows Rice, Moong (Green Gram), Coconut Compare
  5. Eluru, Andhra Pradesh Grows Rice, Other Oilseeds, Maize Compare
  6. Annamayya, Andhra Pradesh Grows Groundnut, Other Pulses, Rice Compare
  7. Sri Sathya Sai, Andhra Pradesh Grows Groundnut, Tur (Arhar), Maize Compare
  8. Sri Potti Sriramulu Nellore, Andhra Pradesh Grows Rice, Urad (Black Gram), Groundnut Compare
  9. Haridwar, Uttarakhand Grows Sugarcane, Wheat, Rice Compare
  10. Banswara, Rajasthan Grows Maize, Wheat, Soybean 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).