The 4:2:1 NPK ratio represents the ideal proportion of nitrogen, phosphorus, and potassium for many Indian crops. Farmers overuse urea because it's highly subsidized and gives a quick green flush, but it degrades soil health in the long run. My life as an agri-graduate has shown me the real issue isn't ignorance, but a lack of trust—farmers won't adopt soil testing until they see a proven yield from their neighbour's tested field. I spend my days trying to become that convincing neighbour on my own family's plot.
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