Plants require a specific pH range for their healthy growth. However by using a large number of pesticides and fertilizers, the pH of the soil changes which makes it more acidic or basic. So, in the long run, the soil becomes infertile. This also leads to the soil erosion causing damage to the environment. Hence, excessive use of these pesticides and fertilizers should be restricted as it is causing damage to the soil as well as environment.
Associated Value: The learner understands the need to wash the vegetables and fruits properly before eating them