Pesticides

Pesticides

Any chemical or substance used to kill or inhibit the growth of pests that damage or interfere with the growth of crops, shrubs, tress, timber and other vegetation useful to humans.

Industry: Agricultural chemicals

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Pesticides

Direct runoff

Agricultural chemicals; Pesticides

Water that flows over the ground surface or through the ground directly into streams, rivers, and lakes.

Disinfectant

Agricultural chemicals; Pesticides

A chemical or physical process that kills pathogenic organisms in water, air, or on surfaces. Chlorine is often used to disinfect sewage treatment effluent, water supplies, wells, and swimming pools.

Dissolved solids

Agricultural chemicals; Pesticides

Disintegrated organic and inorganic material in water. Excessive amounts make water unfit to drink or use in industrial processes.

Distillation

Agricultural chemicals; Pesticides

The act of purifying liquids through boiling, so that the steam or gaseous vapours condense to a pure liquid. Pollutants and contaminants may remain in a concentrated residue.