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Fumigant Chemical used in the form of a volatile liquid or a gas to kill insects, nematodes, fungi, bacteria, seeds, roots, rhizomes, or entire plants; usually applied in an enclosure of some kind or in the soil with a plastic or water surface seal. ...
GPA Gallons per acre. ...
GPM Gallons per minute. ...
Granule (granular) A dry formulation of herbicide in which the active ingredient is impregnated on small particles of carrier such as clay or ground corncobs. ...
Grass Botanically, any plant of the Gramineae family. Grasses are characterized by narrow leaves with parallel veins; by leaves composed of blade, sheath, and ligule; by jointed stems and fibrous roots; and by inconspicuous flowers usually arranged in ...
Growth regulator A substance used for controlling or modifying plant growth processes. ...
Hard water Water that contains certain minerals, usually calcium and magnesium sulfates, chlorides, or carbonates in solution in sufficient amounts to cause a curd or precipitate instead of a lather when soap is added. Generally defined as water ...
Hazard The probability that injury or detrimental effects will result if a substance is not used properly. ...
Herbaceous A plant that remains soft or succulent and does not develop woody tissue. ...
Herbicide A phytotoxic chemical used for killing or inhibiting (stunting) the development or growth of plants. ...