Nitrogen is such a vital nutrient for crops that huge portions of nitrogen-containing fertilizers are unfold on farmlands worldwide. Nevertheless, extra nitrogen within the soil and in drainage run-off into lakes and rivers causes severe ecological imbalances. A current research has uncovered the regulatory mechanisms at work when crops make the most of nitrogenous fertilizers of their roots, a optimistic step within the quest to generate crops that require much less fertilizer whereas nonetheless producing the yields wanted to feed the world.