Nitrogen management studied in greenhouse pepper production

As consumer demand for year-round fresh produce increases, vegetable and fruit producers are facing significant environmental and sustainability issues, and are being challenged to examine traditional production practices ...

Rethinking the value of sewage sludge 

Researchers from the Plant Nutrition Group at ETH Zurich have been evaluating methods to develop an efficient and environmental friendly phosphate fertilizer from sewage sludge ashes. A new thermo-chemical process that extracts ...

Greenhouse gases from farmland underestimated

(Phys.org)—Changes in agricultural practices could reduce soil emissions of the greenhouse gas nitrous oxide and the atmospheric pollutant nitric oxide, according to a new study by scientists at the University of California, ...

Used coffee grounds are a rich source of healthful antioxidants

To plant food, insect repellant and other homespun uses for spent coffee grounds, scientists are adding an application that could make the gunk left over from brewing coffee a valuable resource for production of dietary supplements. ...

Nanosilver from clothing can pose major environmental problems

(Phys.org)—Silver nanoparticles can have a severe environmental impact if their utilisation in clothing continues to increase. If everyone buys one silver nanoparticle-treated sock a year, the silver concentration in waste ...

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