To kill bugs and insects
Yes they are. Especially on farms.
So that your food supply can be as plentiful and as inexpensive as possible.
Chemicals like herbicides, pesticides and fungicides, that are used on crops on farms.
by organic pesticides.
Yes. Pesticides can be used in organic farming. but it must be Bio-pesticide. i.e. in organic farming pests are controlled using Bio-pesticides which are prepared using some plants, plant parts & plant by-products that controls pests. Other chemical pesticides cannot be used in organic farming, because these also kills the beneficial microbes that present in field. Yes. There are approved pesticides that can be used in organic farming. However, it is important to note that synthetic pesticides may not be used. it is also importent to note that just because a pesticide is permitted for use in organic farming that does NOTmean it is a healthy one or envirumentally friendly.
they use pesticides
Nitrate is a common groundwater contaminant found in fertilizers and pesticides used in farming. It can leach into the groundwater from agricultural fields and pose a risk to human health when consumed in high levels.
Fertilizers. Farmers put fertilizers on their crops and then the fertilizer can get washed into the ground or into a nearby river therefore polluting it.
Many different types of situations could have run-offs of pesticides. Most of these are found on farms when they are sprayed to reduce the amounts of insects in the soil.
what happens when pesticides and antibiotics are used and how does it related to evolution
they where used on farms they where used on farms
Pesticides are used in order to kill insects. If insects get on some types of vegetation, it can kill it.