In the quest for sustainable agricultural intensification, the focus of agrarian science, long dominated by macronutrients like nitrogen, phosphorus, and potassium (NPK), is decisively shifting to the critical, often-overlooked role of micronutrients. Elements such as zinc, boron, iron, manganese, and copper, though required in minute quantities, are the essential catalysts for plant health, yield, and nutritional quality. Moving beyond localised soil testing, the industry is now embracing a new paradigm: micronutrient mapping as essential public infrastructure, driven by ambitious national soil health missions and enabled by the power of open data platforms.
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