MLSN fertilizer recommendation research

Jackie Guevara completed her Masters thesis in 2021. She studied turfgrass response and soil test levels in response to phosphorus (P) and potassium (K) fertilizers applied in three different ways.

1. No P or K, only N, assuming the soil can supply P and K 2. Using soil testing with P and K recommended using the MLSN method 3. Using soil testing with P and K recommended using the current Michigan State University SLAN method

I (Micah) spoke with Jackie…