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Berm Narrow shelf, typically along the water's edge of canals formed by deposited silt. ...
Biennial A plant that completes its life cycle in 2 years. The first year it produces leaves and stores food. The second year it blossoms and produces fruits and seeds. Examples include wild carrot, common mullein, bull thistle, and burdock. ...
Bioassay The qualitative or quantitative determination of the presence of a substance by response measurements of treated living organisms, as compared to measurements on the same untreated, check, or standard living organism. ...
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. ...