An expert group gathers to discuss this elemental problem. The John Innes Centre’s Allan Downie reports on problems and progress.

Allan Downie

What is the nitrogen crisis? It is clear that we have introduced major global shifts in production and use of reactive nitrogen without really knowing what happens to the ammonia and nitrogen oxides released to the environment.

The production of nitrogen fertiliser and combustion of fossil fuels doubles the amount of reactive N entering the nitrogen cycle annually.
Continue reading The nitrogen crisis: what are the solutions?