Learn how to choose the right herbicide for effective weed control. Explore types, applications, and tips to protect crops and ensure sustainable farming. Herbicide- Classification, Formulations & Application What is Herbicide? Herbicides are chemicals used to manipulate or control undesirable vegetation. They are applied before or during planting to maximize crop productivity by minimizing other undesirable vegetation. Classification Of Herbicides Herbicides can be classified based on application method, mode of action, mobility, and time of application. Based on Method of application Soil applied herbicides: These herbicide act through root ... Norflurazon is used as a preemergence herbicide for control of annual grasses and certain broadleaf weeds in cotton, soybeans, and vine and deciduous fruit crops. Fluridone is an aquatic herbicide used in ponds, drainage and irrigation canals, lakes and reservoirs, for the control of most aquatic weeds at any stage of growth. Herbicides are primarily used in agriculture & known as weedkillers. Understand the importance of herbicides in weed control, its types, uses & advantages here. Visit UPL NOW!