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Pesticides were first used in ancient civilizations, with early civilizations like the Sumerians and Egyptians making use of chemicals like sulfur and arsenic. The widespread use of synthetic pesticides began in the 20th century with the development of organochlorines and organophosphates.
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Which are the pesticides analyzed by gcms?
GC-MS can be used to analyze a variety of pesticides, including organochlorines, organophosphates, carbamates, and pyrethroids. The specific pesticides analyzed will depend on the method used and the targeted compounds in the sample being tested.
Why are pesticides used in corn?
Pesticides are used in corn production to control pests such as insects, weeds, and diseases that can reduce yield and quality of the crop. By using pesticides, farmers can protect their corn crops from damage and ensure higher productivity.
What causes the use of pesticides?
Pesticides are used to control pests that can damage crops, spread disease, or harm humans or animals. Factors such as increased monoculture farming, globalization, and pest resistance contribute to the use of pesticides in agriculture.
What is the chemical equation for pesticides?
There isn't a single chemical equation for pesticides, as they can be composed of different active ingredients. Pesticides typically contain chemicals that target specific pests or regulate their growth. Some common types of pesticides include insecticides, herbicides, and fungicides, each with their own unique chemical composition.
What is a chemical used to prevent destroy or repel pests?
One common chemical used for pest control is pesticides, which are substances that kill or control pests like insects, rodents, or weeds. Pesticides can be synthetic (man-made) or natural (derived from plants or microorganisms) and are regulated to ensure they are used safely and effectively in controlling pests.
When were pesticides first used?
Widely after the second world war.
Are there any antibiotics used in pesticides?
what happens when pesticides and antibiotics are used and how does it related to evolution
Why are pesticides used?
Pesticides are used in order to kill insects. If insects get on some types of vegetation, it can kill it.
What are Chlorinated pesticides?
Chlorinated Pesticides are nerve agents used in agriculture as pesticides, around homes as termiticides, and in grains as fungicides.
What pesticides are used to kill insect pests?
Common pesticides used to kill insect pests include organophosphates, carbamates, pyrethroids, and neonicotinoids. These pesticides work by disrupting the nervous system of insects, leading to paralysis and eventual death. Organic options like neem oil and insecticidal soaps are also used as alternatives to synthetic pesticides.
Why are pesticides used in certain conditions in city parks?
pesticides may be used under certain conditions?what conditions
Are pesticides environmentaly friendly?
Yes, modern day pesticides are designed not to become part of the environment in the first place.
Why are pesticides are used in accurate concentration?
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Why should pesticides be used judiciously?
yeah
Which are the pesticides analyzed by gcms?
GC-MS can be used to analyze a variety of pesticides, including organochlorines, organophosphates, carbamates, and pyrethroids. The specific pesticides analyzed will depend on the method used and the targeted compounds in the sample being tested.
Why are pesticides used in corn?
Pesticides are used in corn production to control pests such as insects, weeds, and diseases that can reduce yield and quality of the crop. By using pesticides, farmers can protect their corn crops from damage and ensure higher productivity.
When were pesticides invented?
The first known pesticide was elemental sulfur dusting used in ancient Sumer about 4,500 years ago in ancient Mesopotamia.
