Total nitrogen inputs to crops

Annual inputs include nitrogen from the application of synthetic fertilizers alongside organic inputs from manure and crop fixation.

No data0 t100,000 t500,000 t1 million t5 million t10 million t50 million t
World

Source: West, Gerber, Engstrom, Mueller, Brauman, Carlson, Cassidy, Johnston, MacDonald, Ray & Siebert (2014). Leverage points for improving global food security and the environment. Science.