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

ground-penetrating radar

Agricultural chemicals; Pesticides

A geophysical method that uses high frequency electromagnetic waves to obtain subsurface information.

ground-water discharge

Agricultural chemicals; Pesticides

Ground water entering near coastal waters which has been contaminated by landfill leachate, deep well injection of hazardous wastes, septic tanks, etc.

ground-water disinfection rule

Agricultural chemicals; Pesticides

A 1996 amendment of the Safe Drinking Water Act requiring EPA to promulgate national primary drinking water regulations requiring disinfection as for all public water systems, including surface ...

gully erosion

Agricultural chemicals; Pesticides

Severe erosion in which trenches are cut to a depth greater than 30 centimeters (a foot). Generally, ditches deep enough to cross with farm equipment are considered gullies.

habitat

Agricultural chemicals; Pesticides

The place where a population (e.g. human, animal, plant, microorganism) lives and its surroundings, both living and non-living.

A physical attribute of the environment measured to characterize conditions necessary to support an organism, population, or community in the absence of pollutants; e.g. salinity of estuarine waters ...

half-life

Agricultural chemicals; Pesticides

1. The time required for a pollutant to lose one-half of its original coconcentrationor example, the biochemical half-life of DDT in the environment is 15 years. 2. The time required for half of the ...