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

Dustfall jar

Agricultural chemicals; Pesticides

An open container used to collect large particles from the air for measurement and analysis.

Drainage

Agricultural chemicals; Pesticides

Improving the productivity of agricultural land by removing excess water from the soil by such means as ditches or subsurface drainage tiles.

Drainage basin

Agricultural chemicals; Pesticides

The area of land that drains water, sediment, and dissolved materials to a common outlet at some point along a stream channel.

Drainage well

Agricultural chemicals; Pesticides

A well drilled to carry excess water off agricultural fields. Because they act as a funnel from the surface to the groundwater below. Drainage wells can contribute to groundwater pollution.

1. The drop in the water table or level of water in the ground when water is being pumped from a well. 2. The amount of water used from a tank or reservoir. 3. The drop in the water level of a tank ...

Dredging

Agricultural chemicals; Pesticides

Removal of mud from the bottom of water bodies. This can disturb the ecosystem and causes silting that kills aquatic life. Dredging of contaminated muds can expose biota to heavy metals and other ...

Drilling fluid

Agricultural chemicals; Pesticides

Fluid used to lubricate the bit and convey drill cuttings to the surface with rotary drilling equipment. Usually composed of bentonite slurry or muddy water. Can become contaminated, leading to cross ...