Districts with soil like Kannur

Ranked by how closely their soil tests match: the share of samples low or short in each nutrient, pH and salt.
  1. Ernakulam, Kerala Grows Coconut, Tapioca (Cassava), Banana Compare
  2. Wayanad, Kerala Grows Arecanut, Banana, Black Pepper Compare
  3. Kollam, Kerala Grows Coconut, Tapioca (Cassava), Banana Compare
  4. Palakkad, Kerala Grows Rice, Coconut, Banana Compare
  5. Kozhikode, Kerala Grows Coconut, Arecanut, Black Pepper Compare
  6. Alipurduar, West Bengal Grows Rice, Maize, Potato Compare
  7. Thiruvananthapuram, Kerala Grows Coconut, Tapioca (Cassava), Banana Compare
  8. Cooch Behar, West Bengal Grows Rice, Jute, Maize Compare
  9. Udupi, Karnataka Grows Rice, Arecanut, Arecanut (Processed) Compare
  10. The Nilgiris, Tamil Nadu Grows Black Pepper, Potato, Cardamom 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).