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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 
zone of saturation
Agricultural chemicals; Pesticides
The layer beneath the surface of the land containing openings that may fill with water.
Ultra Clean Coal (UCC)
Agricultural chemicals; Pesticides
Coal that is washed, ground into fine particles, then chemically treated to remove sulfur, ash, silicone, and other substances; usually briquetted and coated with a sealant made ...
ultraviolet rays
Agricultural chemicals; Pesticides
Radiation from the sun that can be useful or potentially harmful. UV rays from one part of the spectrum (UV-A) enhance plant life. UV rays from other parts of the spectrum (UV-B) ...
uncertainty factor
Agricultural chemicals; Pesticides
One of several factors used in calculating the reference dose from experimental data. UFs are intended to account for (1) the variation in sensitivity among humans; (2) the ...
unconfined aquifer
Agricultural chemicals; Pesticides
An aquifer containing water that is not under pressure; the water level in a well is the same as the water table outside the well.
Underground Injection Control (UIC)
Agricultural chemicals; Pesticides
The program under the Safe Drinking Water Act that regulates the use of wells to pump fluids into the ground.
underground injection wells
Agricultural chemicals; Pesticides
Steel- and concrete-encased shafts into which hazardous waste is deposited by force and under pressure.
Sub-categories
- Fungicides (58)
- Herbicides (125)
- Insecticides (20)
- Nitrogen fertilizers (16)
- Organic fertilizers (43)
- Pesticides (35135)
- Potassium fertilizers (300)
- Urea (21)