Harmful effects of weedicides on humans, water, and soil

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Weedicides refers to a herbicides which are?used to kill unwanted plants i.e. weeds fron the field. For example fluchloralin and
isoproturon are few examples of weedicides.

Weedicides are toxic in nature. They are made up of various harmful chemicals. When they are sprayed on the plants in order to kill the weeds present among them the weedicides then enters the plant system and when further these plants are consumed by the humans, these toxic substances may their way through the human body. These toxic substances may cause cancer and various other health problem in humans. Also these substances may reach the ground water due to the rain or any other way and in turn enters the human system because of this water.
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Weedicides are basically used to kill undesired plants. Their toxicity depends entirely on what you are using. Some are virtually harmless to humans (like Roundup), some are lethal (like Paraquat - no antidote but extremely effective) and others were once effective but persist in the soil for decades, cause ongoing health problems and have since been banned.
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