Under the soil, root growth often suffers. Nitrogen fertilizers can increase the salt content of soil, which can cause plants to get dehydrated. ... You will be more likely to notice damage from excess nitrogen to your plants, if the weather is drier than normal.
too much nitrogen in surface runoff can cause algae to overgrow
Explanation:
Nitrogen fertilizers used in large-scale agriculture could leave a legacy of pollution that would persist for decades in soil and groundwater, scientists in France and Canada warned, which published a study in the National Academy of Sciences magazine, " PNAS ". According to these scientists, the excess of these fertilizers in the environment has been linked to contaminated drinking water and can cause the rapid growth of algae that compromise aquatic ecosystems and coastal marine life.
