Festuca arundinacea is a cool-season turf. The critical period of conservation is from the end of June to the end of the month, and the rest of the year, especially in winter, is a routine management and protection. The focus of conservation should be on the following four steps: One, pruning 1. The purpose is to prevent weeds, extend the green period, and meet landscape requirements; 2, pruning times: According to the growth potential of the lawn, 20-30 times / year; 3, trim note: (1) It is forbidden to prune on rain or dew; (2) After the lawn is trimmed, the grass collection bag must be used to avoid disease transmission; (3) The edge of the trimming tool is often sharp and does not allow tearing of the grass; (4) Must be sprayed with bactericide (protective agent) after trimming, generally with conventional bactericide. Second, the prevention of pests and diseases on tall fescue: 1. Disease: Brown spot, Pythium, Fusarium wilt, Sheath blight and so on. Pythium occurs mainly from June to August; 2. Insect pests: Spodoptera litura, Spodoptera littoralis, grasshopper, earthworm, etc. Nocturnal insect pests are overeating and devastating, and ageing is not neat. In June-August, insecticides and fungicides can be used alternately or simultaneously. Physical control methods: The use of black light is better, and the provincial funding. Third, watering tall fescue is a deep-rooted, upright variety, with a root depth of up to 1.7 meters, and shallow soils tend to appear yellow. Watering once every 3-5 days, every time watering must be irrigated, the soil should be kept 5-10cm moist. Watering should be in the morning or in the morning, and watering in the afternoon and evening is strictly prohibited to avoid the occurrence of diseases. If there is a thunderstorm in the evening, the fungicide should be sprayed the next day. Fourth, the amount of fertilizer applied every year about 7.5 kilograms per 1,000 square meters, high fescue hi phosphorus, potash, less nitrogen fertilizer. Fertilization should be placed in the winter and nitrogen fertilizers are strictly prohibited in summer. Sweet Potato Leaf Juice Vermicelli Bag Sweet Potato Leaf Juice Vermicelli Bag Ningxia ZhaiXianSong Commercial and Trading Co.,Ltd. , http://www.nxupin.com