Related topics: soil

Balancing food security and environmental quality in China

In many ways, the evolution of Chinese agriculture over the past 40 years is a remarkable success story. Spurred by investments in research and government subsidies for fertilizers and other farm technologies, China now feeds ...

Antibiotic-eating bug unearthed in soil

It's well known how bacteria exposed to antibiotics for long periods will find ways to resist the drugs—by quickly pumping them out of their cells, for instance, or modifying the compounds so they're no longer toxic.

The Phosphorus Index: Changes afoot

Phosphorus (P) is both an essential nutrient in agricultural fields and a contributor to poor water quality in surface waters. To encourage improved P management in fields, the P Index was proposed as a risk assessment tool ...

Urban impacts on phosphorus in streams

Although phosphorus is an essential nutrient for all life forms, essential amounts of the chemical element can cause water quality problems in rivers, lakes, and coastal zones. High concentrations of phosphorus in aquatic ...

Grazing management effects on stream pollutants

Surface water quality is important for the proper function of aquatic ecosystems, as well as human needs and recreation. Pasturelands have been found to be major sources of sediment, phosphorus and pathogens in Midwest surface ...

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