Question

how are fertilizers harmful for plants​

Answer 1

Fertilizers are substances used to add nutrients to the soil to promote soil fertility and increase plant growth. ... Since salt content is one of the most critical characteristics of chemical fertilizers; they are expected to be harmful to agriculture in the long run as salts are harmful for plants as well as soil.

Answer 2

Heya mate!..

Using of excessive amount of fertilisers can harm the plants because it does not provide rich manure to the plants as well as it can cause soil run off too..

Fertilizers also can lead to nutritious defeciency in plants as it is prepared in factories..

Hope this helps..