Calcolatore Erosione del Suolo
Calcola il tasso di erosione del suolo con l'equazione universale di perdita di suolo.
Annual Soil Loss
2.88 tons/ha/year
Annual Soil Loss vs Rainfall Erosivity (R)
Formula
How to Calculate Soil Erosion (USLE)
The Universal Soil Loss Equation estimates average annual soil erosion.
Formula
A = R * K * LS * C * P
Soil loss tolerance is typically 5 tons/ha/year for sustainable agriculture.
Esempio Risolto
Farmland with R=200, K=0.03, LS=2, C=0.3 (row crops), P=0.8 (minimal conservation).
- 01Soil loss: 200 * 0.03 * 2 * 0.3 * 0.8 = 2.88 tons/ha/year
- 02Per acre: 2.88 / 2.471 = 1.17 tons/acre/year
- 03vs tolerance: 2.88 / 5 * 100 = 58% of limit
- 04With best practices (P=0.3): 200 * 0.03 * 2 * 0.3 * 0.3 = 1.08 tons/ha/year
Domande Frequenti
What is the USLE?
The Universal Soil Loss Equation (USLE) was developed by the USDA to predict average annual soil loss from sheet and rill erosion. It has been the standard erosion model since the 1960s.
How much soil loss is acceptable?
The USDA defines soil loss tolerance (T value) at 1-5 tons per acre per year, roughly equal to the rate of natural soil formation. Losses above this degrade productivity over time.
What are the best erosion control practices?
Cover crops, no-till farming, contour plowing, terracing, buffer strips, and maintaining permanent vegetation on steep slopes are the most effective erosion control methods.