Without crop protection, including pesticides, more than half of the world’s crops would be lost to insects, diseases and weeds. Pesticides are important. They help farmers grow more food on less land by protecting crops from pests, diseases and weeds as well as raising productivity per hectare.
Why is insecticides useful?
Humans have attained important benefits from many uses of insecticides, including: (1) increased yields of crops because of protection from defoliation and diseases; (2) prevention of much spoilage of stored foods; and (3) prevention of certain diseases, which conserves health and has saved the lives of millions of …
What are the positives of pesticides?
More specifically, pesticides can keep harmful pests–such as rats, mice, ticks and mosquitoes–away from crops while also protecting the plants from weeds and diseases that have the ability to greatly reduce crop yield. In fact, growth of major crops has tripled since 1960, mainly because of the use of pesticides.
Are insecticides good or bad?
In addition to killing insects or weeds, pesticides can be toxic to a host of other organisms including birds, fish, beneficial insects, and non-target plants. Insecticides are generally the most acutely toxic class of pesticides, but herbicides can also pose risks to non-target organisms.
Why do insecticides not kill humans?
But they are not as toxic in mammals (including humans) because they work on a neural pathway that is more abundant in insects. … Because these are natural compounds and because there are several species that kill different species of insects, these Bt insecticides have become very popular with organic farmers.
What happens if you breathe in insecticide?
Many insecticides can cause poisoning after being swallowed, inhaled, or absorbed through the skin. Symptoms may include eye tearing, coughing, heart problems, and breathing difficulties.
What are the pros and cons about pesticides?
Top 10 Pesticide Pros & Cons – Summary List
|Pesticide Pros||Pesticide Cons|
|Pesticides can increase crop yields||Pesticides can harm the health of farmers|
|May improve the growth behavior of plants||Pesticides may contaminate crops|
|Can help to stop the spread of diseases||May lead to soil pollution|
What do pesticides kill?
After all, pesticides are insecticides and are designed to kill insects – the clue’s in the name. Pesticides include chemicals that kill insects (insecticides), plants (herbicides) and fungi/moulds (fungicides).
What are the disadvantages of insecticides?
Disadvantages of insecticides
- Non-target organisms – Insecticides can kill more than intended organisms and are risky to humans. …
- Resistance – Insects when repeatedly exposed to insecticides build up resistance until finally, they have little or no effect at all.
Are home insecticides safe?
Products used on lawns and gardens that drift or are tracked inside the house may be found, especially in the air within homes. The exposure to pesticides may result in irritation to eye, nose, and throat; damage to central nervous system and kidney; and increased risk of cancer.