| Herbicides usually used for killing weeds and unwanted plants, herbicides are widelv used around the word in gardening and agriculture.
An herbicide is a substance used to kill plants, tlsucnry unwanted weeds. There are two types of herbicides:
• Species specific. These herbicides kill specific plant species, leaving other species unharmed.
• Non-specific. These Herbicides kill any
plant they come in contact with.
Most commercially-available herbicides are chemically produced. Manv herbicides have short half-lives, and dissipate quickly. Many others have very long h; continue in the soil for generations. Unrestricted use of certain herbicides is suspected to b pollution in rivers, streams and lakes. |
