Pesticides that have been approved for use by the U.S. Environmental Protection Agency.
The amount of active ingredient or acid equivalent applied per unit area or other treatment unit.
Hairy. Pubescence affects ease of wetting of foliage and also retention of spray on foliage.
Pounds per square inch.
Applied and tilled into the soil before seeding or transplanting.
Treatment made before the crop is planted.
Treatment made after a crop is planted, but before it emerges.
Parts per million.
Application of a pesticide to the soil or plant after crops have been harvested.
Treatments made after plants emerge above the soil surface; sometimes defined as early or late with respect to the crop.
