Manure slipping through (soil) cracks

Add just enough fertilizer, and crops thrive. Add too much, and you may end up with contaminated surface and groundwater.

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 from University of Utah researchers. The result is surprising, since ...

Ribbed mussels could help improve urban water quality

Ribbed mussels can remove nitrogen and other excess nutrients from an urban estuary and could help improve water quality in other urban and coastal locations, according to a study in New York City's Bronx River. The findings, ...

Destruction of wetlands linked to algal blooms in Great Lakes

Canada's current wetland protection efforts have overlooked how the environment naturally protects fresh-water resources from agricultural fertilizer contaminants, researchers from the University of Waterloo have found.

Agroforestry helps farmers branch out

Imagine an agriculture field. Most are planted with row upon row of tidy cash crops. Now imagine that same field with rows of trees between the rows of crops. This forested field concept is called alley cropping. Alley cropping ...

page 1 from 3