This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Urea is a small molecule formed as proteins ...

As concerns about air pollution from large dairies and other concentrated animal feeding operations (CAFOs) continue to mount, scientists are reporting a practice that could cut emissions of an ...

Some nitrogen fertiliser types spread on UK farmland are ending up in the atmosphere, with the worst offenders emitting on average 18% of the applied nitrogen fertilizer as ammonia gas into the air.

Insecticidal activity of urea, ammonium nitrate and solutions of both compounds in different ratios (widely used as fluid fertilizers) was tested in model trials under laboratory conditions against ...