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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.
8Categories 36068Terms
Add a new termContributors in Agricultural chemicals
Agricultural chemicals > Pesticides 
thermal treatment
Agricultural chemicals; Pesticides
Use of elevated temperatures to treat hazardous wastes. (See: incineration; pyrolysis.)
thermocline
Agricultural chemicals; Pesticides
The middle layer of a thermally stratified lake or reservoir. In this layer, there is a rapid decrease in temperatures in a lake or reservoir.
threshold level
Agricultural chemicals; Pesticides
Time-weighted average pollutant concentration values, exposure beyond which is likely to adversely affect human health. (See: environmental exposure)
Threshold Limit Value (TLV)
Agricultural chemicals; Pesticides
The concentration of an airborne substance to which an average person can be repeatedly exposed without adverse effects. TLVs may be expressed in three ways: (1) TLV-TWA--Time ...
threshold planning quantity
Agricultural chemicals; Pesticides
A quantity designated for each chemical on the list of extremely hazardous substances that triggers notification by facilities to the State Emergency Response Commission that such ...
tidal marsh
Agricultural chemicals; Pesticides
Low, flat marshlands traversed by channels and tidal hollows, subject to tidal inundation; normally, the only vegetation present is salt-tolerant bushes and grasses. (See: ...
Sub-categories
- Fungicides (58)
- Herbicides (125)
- Insecticides (20)
- Nitrogen fertilizers (16)
- Organic fertilizers (43)
- Pesticides (35135)
- Potassium fertilizers (300)
- Urea (21)