Nitrogen-based fertilisers have helped all but eradicate famine in large parts of the world. But reactive nitrogen in circulation has now doubled. Owen Gaffney asks, what effect is this having on the carbon cycle?

Worldwide demand of phosphate fertilizer is met essentially

Traditional approaches to supplying food are an inefficient 'band aid', says Pedro A. Sanchez. New evidence shows that helping farmers to help themselves is more effective and would be six times cheaper.

At the Jhamarkotra rock phosphate mines, the lowgrade Proterozoic rock phosphate containing 14

This study deals with the effects of grass buffer strips using Ophiopogon japonicus on reducing soil and nitrogen losses from fertilized plots and the evaluation of the trapping characteristics under different depth of surface water gathered.