Utah soil's slippery grip on nutrients
Lawns in the Salt Lake Valley up to 100 years old are not yet saturated in the nutrient
nitrogen, which is added by fertilizer, according to a new study. The result is surprising, since previous studies in the Eastern US suggested that
fertilized soil would become saturated with nitrogen within a few decades. Rose Smith,
post doctoral research associate of biology, served as the study's lead author. Philip
Dennison, professor of geography, and others served as co-authors. Read more.