• Ulao Creek is 8.5 miles • Mean Total P (2013) = .175 mg/l

SnapPlus

Tillage

Rotation crops and yields

Manure Applications

P Fertilizer Applications

Downfield Slope to Surface Water

Distance to Surface

Water

County

Soil Test P and Organic Matter

Field Slope

Field Slope Length

Soil Type Soil Type

Contour and filter practices

SnapPlus is a nutrient management planning program that includes the entire RUSLE2 program and the climate, soil, and

selected parts of the management databases for Wisconsin

590 Plan that meets guidelines for: Nitrogen loss risk (rate, location, timing) Sediment loss risk (RUSLE2) Phosphorus loss risk (P Index)

http://www.snapplus.wisc.edu/

RUSLE2

P Index calculator

Nutrient application rate calculator

Phosphorus Index

881 Ac 47%

289 Ac 16%

382 Ac 21%

253 Ac 14%

57 Ac

3%

Very Low 0 – 2.9 P.I Low 3.0 – 3.9 Medium 4.0 – 4.9 High 5.0 – 5.9 Very High 6.0 +

12% of Phosphorus Load or 687 # of P from the 8 fields with a PI of 6 or >

Buffer Strips

A 30 Foot Wide in-field buffer on the 8 fields with a PI of 6+ would reduce P Load by about 510 # Buffer Cost = $7740 (3.87 Ac. X $2,000/ac)