Weedicides -- See Herbicides Here are entered descriptive works on herbicides and their use in weed control. Works on the physiological effect of herbicides on plants are entered under Plants--Effect of herbicides on.
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Weeds -- See Also Noxious weeds Here are entered works on invasive, generally nonindigenous plants that are undesirable, troublesome, and difficult to control or eradicate and on plants that have been legally designated as injurious to public health, agriculture, recreation, wildlife, or property.
--subdivision Control under individual weeds and groups of weeds, e.g. Prickly pears--Control; Aquatic weeds--Control; and subdivision Weed control under individual crops and groups of crops, e.g. Corn--Weed control
--subdivision Control under individual weeds and groups of weeds, e.g. Prickly pears--Control; Aquatic weeds--Control; and subdivision Weed control under individual crops and groups of crops, e.g. Corn--Weed control
Weekly premium insurance -- See Industrial life insurance Here are entered works on low-valued life insurance whose premiums are collected at the home of the insured on a weekly or monthly basis.
