Pesticides are a mixture of two or more substances. They are used for ** pests. Pests include insects, plant pathogens, weeds, mollusks, etc., that ** the plant crop and spread ****. Aldrin and dieldrin are the names of some common pesticides Herbicides are pesticides specially meant for *** weeds. For example, sodium chlorate (NAClO3), sodium arsenite (Na3AsO3), etc.
