Soil nitrogen and turf conditions

Too much soil nitrogen is not a good thing. See these updates for examples and case studies:

- Turf damage from excess nitrogen - Avoiding problems with nitrogen

I want to go into this in a bit more detail, specifically about testing the soil for nitrogen, and the difficulty in diagnosing whether a decline in turf quality is being caused by excess nitrogen.

Before that, however, the take-home message. Don't apply more N than the grass can use, and we…