Crop Yield: The Variables Farmers Undervalue in Calculations

Crop yield predictions rely on simplified models (rainfall + temperature = yield) while ignoring variables that create 20-40% variance:

Undervalued variables:

Soil pH (0.5-point difference = 10-15% yield loss)

Soil micronutrients (zinc, boron deficiency = 8-20% loss)

Pest/disease pressure (timing matters more than presence)

Previous crop (rotation effects compound)

Real impact: Farmers using detailed soil analysis + pest scouting outproduce peers using rainfall/temperature models by 15-25%.

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