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High-volume sprays Spray applications of more than 60 gal/a volume. ...
Hormone A naturally occurring substance in plants that controls growth or other physiological processes. It is used with reference to certain synthetic chemicals that require or affect growth activity. ...
Hydrosoil Soil at bottom of the body of water. ...
Incorporate into soil Mixing a herbicide into the soil, generally by mechanical means or with overhead water. ...
Inert ingredient That part of a compound without toxic or killing properties, sometimes called the carrier. ...
Inhibit To hold in check or stop; e.g., to inhibit or check seed germination or plant growth with herbicides. ...
Integrated control Using multiple approaches for pest control; pesticides are used only when and at rates necessary. ...
Invert emulsion The suspension of minute water droplets in a continuous oil phase, usually forming a thick, mayonnaise-like mixture. ...
Ionic surfactant One that ionizes or dissociates in water. ...
Koc Value for how strongly a herbicide adsorbs to soil when normalized for the amount of organic matter in a soil. ...