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).
How to Apply Pre-Emergent Herbicide. There are a few different forms of herbicide that you can choose from. Pellets and liquid forms are among the most common, and typically come prepackaged for ready-use. Pellets are placed around the soil through a rotary or drop spreader, where water is applied to activate the ingredients of the herbicide.