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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.

Contributors in Pesticides

Pesticides

estimated environmental concentration

Agricultural chemicals; Pesticides

The estimated pesticide concentration in an ecosystem.

estuary

Agricultural chemicals; Pesticides

Region of interaction between rivers and near-shore ocean waters, where tidal action and river flow mix fresh and salt water. Such areas include bays, mouths of rivers, salt marshes, and lagoons. ...

ethanol

Agricultural chemicals; Pesticides

An alternative automotive fuel derived from grain and corn; usually blended with gasoline to form gasohol.

Ethylene Dibromide (EDB)

Agricultural chemicals; Pesticides

A chemical used as an agricultural fumigant and in certain industrial processes. Extremely toxic and found to be a carcinogen in laboratory animals, EDB has been banned for most agricultural uses in ...

eutrophic lakes

Agricultural chemicals; Pesticides

Shallow, murky bodies of water with concentrations of plant nutrients causing excessive production of algae. (See: dystrophic lakes.)

eutrophication

Agricultural chemicals; Pesticides

The slow aging process during which a lake, estuary, or bay evolves into a bog or marsh and eventually disappears. During the later stages of eutrophication the water body is choked by abundant plant ...

evaporation ponds

Agricultural chemicals; Pesticides

Areas where sewage sludge is dumped and dried.

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