weeding. There are two kinds of herbicides for leeks: one is 48% singapore EC. This product is a selective pre-emergence herbicide with a wide range of application and low toxicity. Control objects: Cuscuta, ryegrass, goosegrass, barnyardgrass, setaria, crabgrass, wild oats, aphrodisiac, bubble grass, gray vegetables, bitter herbs and so on. The second is pendimethalin. This product is dimethylaniline selective soil treatment herbicide, the soil has strong adsorption, is not easy to leach, and has little mobility in the soil, not only for annual grass weeds such as alfalfa grass, crabgrass, goosegrass, Thousand gold, Setaria and other control effects are good, but also effective for some broad-leafed grasses such as alfalfa, purslane, acerola, etc., and the product is highly safe. Control and promote integration. The first is to promote the growth of leeks. If drought is encountered, it must be watered and used for fertilization. Fertilizer is generally nitrogen fertilizer, and no more than 20 kg per mu. At the same time combined with the earthworms to prevent and cure special medicine for irrigation. When the leek grows to 16 cm in height, it must be sprayed with anti-aging agent to prevent lodging. The leeks are afraid of lodging, and the growth of the leeks weakens, and the thinning of the winter roots affects the yield of leeks. Regulatory agents can choose ethephon, the price is low, the effect can be, but pay attention to strict control of the use of concentration. Anesthesia Medical Co., Ltd. , https://www.trustfulmedical.com