herbitsiidid
Herbitsiidid, or herbicides in English, are chemical substances used to suppress or destroy unwanted plants. They are widely applied in agriculture, forestry, horticulture, and urban weed management to improve crop yields, reduce competition, and control invasive species. They can be selective, affecting only certain species, or non-selective, impacting a broad range of plants. They may be applied before planting (pre-emergent) or after emergence (post-emergent) and can be systemic (absorbed and transported within the plant) or contact (killing only tissues they touch). They may also be residual in soil, providing longer-term control.
Common active ingredients include glyphosate, 2,4-D, atrazine, paraquat, diuron, and glufosinate, among others. Each operates by
Regulation and safety: Herbicides are subject to national and international regulation regarding approval, labeling, storage, transport,
History: The modern era of herbicides began in the mid-20th century, with widespread adoption accelerating in