High Phosphorus & Potassium Soil: Dilute with Topsoil

11 years, constant reseeding, sprinkler 2 yrs, hedge trees. Soil test: P >200, K ~800. Fescue. Olathe, KS. Why? What to do?

Cause: Years of High P/K Fertilizer

Accumulation from repeated apps.

Fix: Topsoil Dilution

1. Spread 2–3" quality topsoil.
2. Mix into top few inches.
3. Reseed or sod.

Lowers concentration, improves texture. Retest next year.