Agricultural chemicals

Agricultural chemicals

Includes chemicals designed for agricultural use for protection of crops from fungus and insects, as well as for the growth and protection of plants.

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Agricultural chemicals > Pesticides

no observed effect level (noel)

Agricultural chemicals; Pesticides

The highest dose in a toxicity stufy which does not result in adverse health effects. A level of exposure which does not cause observable harm.

non-agricultural sectors

Agricultural chemicals; Pesticides

General term which refers to a combination of home/garden and industrial/commercial/governmental sectors.

nonpoint source

Agricultural chemicals; Pesticides

Any source of pollution not associated with a distinct discharge point. Includes sources such as rainwater, runoff from agricultural lands, industrial sites, parking lots, and ...

non-target organism

Agricultural chemicals; Pesticides

Any organism for which the pesticide was not intended to control.

odor threshold

Agricultural chemicals; Pesticides

The lowest concentration of a substance in air that can be smelled. Odor thresholds are highly variable because of the differing ability of individuals to detect odors.

organically grown

Agricultural chemicals; Pesticides

Food, feed crops, and livestock grown within an intentionally-diversified, self-sustaining agro-ecosystem. In practice, farmers build up nutrients in the soil using compost, ...