According to American Association for the Advancement of Science, fertilizer has no specific origin but had been used all over the world for over 8,000 years. Michael Balter said the first sightings were in Europe around 8,500 years ago. Researchers knew this because ancient people only had manure to use for fertilizer and because fertilizer has a …show more content…
Some including; ruining the soil, pollute water, and can cause diseases in humans. Most of these problems are caused because in order to support the billions of people on this planet a lot of food needs to be produced. The amount needed is more than what can be produced naturally so fertilizers are pumped into the soil to produce enough crops. National Geographic says almost half of the nitrogen found in our bodies’ muscle and organ tissue started out in a fertilizer factory. Also that the effects of too much nitrogen are present all around the world. Some major changes are in China. Dan Charles talked to a long time resident of China who claimed that when he was a boy he could see clearly through the local river and by 1980 you couldn 't see any. According to Environment, 40-60% of agricultural crops are grown with fertilizers and more than 50% of people eat the crops grown with synthetic fertilizers. Due to the high use of fertilizers the soil is being ruined. When too much fertilizer is used it affects the pH balance in the soil and can in the long term ruin soil and