There is no scientific validation of the use of soil tests as the criterion for regulating or banning fertilizer phosphorus application to turfgrass.
Originally published in the current issue of Environment & Climate News, this article is part of a series on the science behind phosphorous bans increasingly being proposed in state legislatures.
Banning phosphorus applications to turfgrass has become the in thing for government officials across the country.
Guidelines for the responsible use of a valuable nutrient that's now in legislators' crosshairs.
