The 3 main chemical nutrients in fertilizer areNitrogen, phosphorus and potassium.
The Fertilizer, which has the chemicals, when it rains the water that has not been infiltrated but has the chemicals in it moves into large/small bodies of water, which adds more chemicals in the waters. The fertilizer "allow crops to grow bigger, faster, and to produce more food.",
There are several reasons why algae blooms, for example "increased nutrients, warmer temperature, abundant light, and stable wind conditions." These things are easily found, so in many places there is a lot of algae. BUt algae is not good for the environment all the time.
Some of the effect that are, when algae forms is , it could harm aquatic life because it could be hard for animals like fish to find food, and get enoughsunlight and dissolved oxygen for the animals. Hypoxia is generally connected to overgrowth of a certain type of algae growth.
Some places that are known as the dead zones of a ocean could be depicted because ofsignificant nutrient pollution. When farmers use fertilizers with the chemical, some of the fertilizer could get into the water adding more chemicals into it.