Why and how to avoid the use of chemical pesticides?

There are several reasons why people may want to avoid using chemical pesticides:

1. Environmental concerns: Chemical pesticides can have negative impacts on the environment, including harm to non-target species and contamination of soil and water.

2. Health concerns: Chemical pesticides can pose risks to human health, particularly if they are not used properly. Some pesticides can be toxic if ingested or inhaled, and they may have long-term effects on human health.

3. Resistance: Pesticides can lead to the development of resistant pests, meaning that they may become less effective over time.

There are several ways to avoid the use of chemical pesticides:

1. Use natural alternatives: There are many natural alternatives to chemical pesticides, such as neem oil, citrus oil, and garlic. These natural pesticides are generally safer for the environment and for human health.

2. Practise integrated pest management (IPM): IPM involves using a combination of strategies to control pests, including cultural, physical, and biological controls, as well as selective chemical pesticides if necessary.

3. Grow resistant varieties: Some plant varieties are naturally resistant to certain pests, so choosing these varieties can help reduce the need for pesticides.

4. Remove pests manually: In some cases, it may be possible to simply remove pests by hand, particularly if the infestation is small.

5. Use physical barriers: Physical barriers, such as screens or netting, can be used to keep pests away from plants.

6. Use trap crops: Planting a "trap crop" that is attractive to pests can help divert them away from the main crop.