Respuesta :
The effects of harmful substances such as pesticides, fertilizers and other chemicals in crop production have the following harmful effects:
1. Affects soil fertility when used in excess.
2. Crops produced with the help of such fertilizers are harmful for consumption as it can enter our system and cause several abnormalities.
3. These chemicals can get washed away with water and get mixed with water bodies resulting in water pollution.
4. Such chemicals are also harmful to the farmers who apply it in the fields.
In the crop production we use different harmful substances such as chemical fertilizers and pesticides which have different harmful effects ,such as; 1) These chemicals degrade the natural fertility of the soil. 2) These chemicals contaminate the soil and nearby water bodies.