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Adjuvant Any substance in a herbicide formulation that enhances the effectiveness of the herbicide. ...
Adsorption Adherence of a substance to a surface. ...
Agitate To mix continuously. ...
Anionic surfactant A surface-active additive to a herbicide having a negative charge. Not commonly used with herbicides. ...
Annual A plant that completes its life cycle in 1 year; i.e., germinates from seed, produces seed, and dies in the same season. Examples include pigweed, ragweed, mustard, foxtail, and crabgrass. A winter annual is one that germinates in the fall, lives o ...
Antagonism Opposing action of different chemicals such that the action of one is impaired or the total effect is less than that of one component used separately. ...
Antidote A first-aid treatment to counteract poisoning. ...
Aquatic plant A plant that grows in water. The three kinds are: Submergent grows beneath the surface; Emergent grows above the water (cattails and water lilies); and Floaters such as water hyacinth. ...
Band (row) application An application to a continuous restricted area, such as in, on, or along a crop row rather than over the entire field. ...
Basal treatment An application to the stems of plants at and just above ground line. ...