The Origins of the Population Explosion

I'm always thinking about and smelling the bird shit especially when it rains. I can't allow human piss or rotten pints to become a background home. The world's population is eight billion right now because we need more nitrogen for agriculture. When humans discovered agriculture 12,000 years ago you had a reliable source of food so they no longer needed to move around. It caused a boom in technology there was a population explosion and the birth of civilization. There are three main nutrients that plants need: nitrogen potassium phosphorus nitrogen is the most important one but hard to come by.