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Herbicides

Any chemical or substance used to stop or prevent the growth of plants, especially unwanted plants such as weeds.

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Herbicides

Contact herbicide

Agricultural chemicals; Herbicides

A type of herbicide that only effects the part of the plant that it has direct contact with; usually sprayed on, contact herbicide does not affect the root of the plant.

Preemergence herbicide

Agricultural chemicals; Herbicides

Will effect weeds as they sprout and grow, though will not be able to effect already emerged weeds.

Residual herbicide

Agricultural chemicals; Herbicides

Usually a type of preemergence herbicide that is able to have a longer effect, lasting in the soil for a longer amount of time to prevent weed growth.

Systemic herbicide

Agricultural chemicals; Herbicides

Absorbed through the leaves of the plant, and systematically runs its course throughout the entire plant body, until the entire plant is killed, including roots.

Translocated herbicide

Agricultural chemicals; Herbicides

Absorbed through the leaves of the plant, and systematically runs its course throughout the entire plant body, until the entire plant is killed, including roots.

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