•Chemical-laden farming harms health and increases costs; farmers are now shifting to chemical-free methods.
•Bihar government promotes natural and organic farming for better production and health.
•Vermi Wash spray, easily made at home, protects crops from pests and boosts production without chemicals.
•Progressive farmer Shashi Kumar from Purnia has successfully used homemade Vermi Wash for two years, increasing yield and crop health.
•To make Vermi Wash: use three earthen pots connected by pipes, with water in the first, cow dung and earthworms in the second, and the third collecting the organic liquid.
