Satellite NDVI can see the health of your crop as a greenness index from above, telling me if a field is stressed before it's visible to the eye. But it cannot see the reason—whether it's a pest attack, a nutrient deficiency, or just poor germination. I've seen many members panic over a red patch on the map, only to find a broken water pipe the satellite missed. So we use it as a strong signal, but our field officers on bikes with their own eyes are the real diagnosis.
#fitness#health
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