Today, deism is considered to exist in the classical and modern forms, where the classical view takes what is called a cold approach by asserting the non-intervention of deity in the natural behavior of the created universe, while the modern deist formulation can be either warm (citing an involved deity) or cold (citing an uninvolved deity).
Herbicides are substances that are used for killing all types of plants, especially noxious weeds. Herbicides can be put into eight different groups including one group that is an ungrouped or, catch-all catagory.
Recently, the term organic has come to imply products used in organic farming. Under this definition, an organic herbicide is one that can be used in a farming enterprise that has been classified as organic. Commercially sold organic herbicides are expensive and may not be affordable for commercial farming. Linuron is a nonselective herbicide used in the control of grasses and broadleaf weeds. 2  It works by inhibiting photosynthesis. 3  MCPA (2-methyl-4-chlorophenoxyacetic acid) is a phenoxy herbicide selective for broadleaf plants and widely used in cereals and pasture.