Where do I find these factor values?

These values are highly localized. You can find them from sources like the USDA's Natural Resources Conservation Service (NRCS), local soil maps, and university extension publications.

What is a tolerable soil loss?

Tolerable soil loss, often called 'T', is the maximum rate of soil erosion that can occur without reducing the long-term productivity of the soil. It typically ranges from 1 to 5 tons per acre per year.

Soil Erosion Calculator

Estimate potential soil loss using the Universal Soil Loss Equation (USLE).

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