Herbicide allows weeds means completely dead occur or select agents, also known as herbicides herbicide prices to eliminate or inhibit the growth of a plant species. Wherein the sodium chlorate, borax, arsenic acid, TCA for any kind of plants have withered role herbicide wholesale, its role of influence of herbicides, plant and environmental conditions of three factors. Herbicide injury prevention: clear, "the main site." General soil treatment herbicide "main site" is just the germination of weeds, herbicides and other parts of young stems and leaves, the former three leaves. Medication reasonable time. The role of water. Prohibit indiscriminate use confusion. Herbicides can improve efficacy, expand the spectrum herbicide, but blind mix, easily lead to injury.