why is it not advisable for farmers to use large amounts of artificial fertilizer especially in close proximity to a pond or lake ?

In short, synthetic fertilizers can harm the environment because their nitrogen and phosphorous levels are often higher. Instead, bacteria and microbes in the soil are stimulated by the chemicals in synthetic fertilizer, which leads them to consume more organic matter than plants can put back into the soil.

Explanation:

hope i got it right

i am positive it is c. condensing but i may be wrong