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Broadcast application An application of spray over an entire area or field rather than only on rows, beds, middles, or individual plants. ...
Broadleaf plants Botanically classified as dicotyledons. Plants have two cotyledon leaves in the seedling stage; true leaves are mostly broad and have netlike or reticulate veins. ...
Carcinogen A substance capable of producing cancer. ...
Carrier A gas, liquid, or solid substance used to dilute, propel, or suspend a herbicide to facilitate its preparation, storage, shipment, or use. (See also Diluent.) ...
Chlorosis Loss of green color in foliage followed by yellowing on the tissue. ...
Chronic toxicity Results produced in test animals exposed for long periods to chemicals. ...
Compatible Two compounds or products that can be mixed without affecting each other's performance. ...
Concentration The amount of active ingredient or herbicide in a quantity of diluent, expressed as percentage or as pounds per gallon (lb/gal), etc. ...
Contact herbicide A herbicide that is phytotoxic by contact with plant tissue rather than as a result of translocation. Only that portion of a plant contacted is directly affected. Young seedlings are killed, but perennials may recover because of the ...
Crop rotation The practice of growing different crops in succession on the same land, chiefly to preserve the productive capacity of the soil. ...