Nitrogen surplus from agriculture has a clear effect on the nitrogen status of the groundwater, according to 70 years of Danish measurement data. A 70 years time-series of monitoring data relays a ...

Nitrogen dioxide (NO 2), a criteria air pollutant as defined by the US Clean Air Act Footnote 1 has been sampled in ambient and indoor air for both compliance purposes and exposure characterizations ...

Nitrogen is often the most limiting nutrient in growing plants. When deficient, plant yields and quality are reduced. However, excessive nitrogen applications could cause concerns in water quality and ...