How drought and other extremes impact water pollution

One in 10 Americans depends on the Colorado River for bathing and drinking. Last fall's record-high temperatures reduced Colorado snowpack in winter 2018 to 66 percent of normal, sparking concern over water shortages downstream ...

Boxing up ag field nitrogen

Spring in America's heartland is often wet. That makes its soil too soft for planting. One solution to that issue is tile drainage. Growers insert a series of pipes (drain tiles) under their fields, which drains water from ...

Researchers report nitrate respiration of an enteropathogen

The human pathogen Vibrio cholerae has stumped scientists since its discovery 150 years ago. Experts who studied the bacterium were puzzled that the bacterium was unable to grow under anaerobic conditions although it was ...

Radish cover crop traps nitrogen; mystery follows

When you think of a radish, you may think of the small, round, crunchy, red-and-white vegetable that is sliced into salads. You might be surprised to learn that a larger, longer form of this root vegetable is being used in ...

Making the nitrate problem of agriculture vanish into air

Nitrate concentrations of our groundwater are among the highest in the European Union. The main reason is over-fertilization of fields with feces from livestock farming. Every year, a "liquid manure shower" of 200 million ...

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