For instance, the term âFRPâ (for Fiber Reinforced Plastic) usually indicates a thermosetting polyester matrix containing glass fibers1, and this particular composite has the lion's share of today's commercial market.
Pesticides are chemicals used to eliminate or control a variety of agricultural pests that can damage crops and livestock and reduce farm productivity. The most commonly applied pesticides are insecticides (to kill insects), herbicides (to kill weeds), rodenticides (to kill rodents), and fungicides (to control fungi, mold, and mildew).
Abstract. A method was developed to calculate annual county level pesticide use for selected herbicides, insecticides, and fungicides applied to agricultural crops grown in the conterminous United States from 1992 through 2009.