Why is it better to spread out nitrogenes over a larger area? If they're the result of food production (well, of current technology of food production), than th

Why is it better to spread out nitrogenes over a larger area? If they're the result of food production (well, of current technology of food production), than that won't change the amount of nitrogenes, just the location. If anything, higher concentration of nitrogen sources in Netherlands could make it easier to solve the problem, centrally.