Bleeker, A. (author), Galloway, J.N. (author), Grizzetti, B. (author), Erisman, J.W. (author), Dise, N.B. (author), Sutton, M.A. (author), Leach, A.M. (author), d. Vries, W. (author) Nitrogen (N) is a key nutrient, vital for the survival of humans and all other living organisms. While di-nitrogen gas (N2) is abundant in the atmosphere, most organisms are unable to use this chemically unreactive form. First it must be converted or fixed߿ݠinto a reactive form such as ammonia (NH3) or nitrogen oxide (NOx). These and other forms...
article 2015
