Fertilizer water quality The fall temperature is generally between 20°C and 30°C, which is suitable for fish growth. Fertilization can be appropriately increased. Generally, 2 kg of ammonia fertilizer can be applied per acre, or 400 kg of manure can be fermented, and 4 kg of phosphate fertilizer can be used together. The transparency of the pool water should be kept at 25 cm or so. This will ensure that there will be enough feed for the fish to gain weight quickly. Before feeding in the fodder to feed the concentrate, fodder should be fed first to prevent the fodder from competing for food. Every day, fresh grass is fed at a fixed location. It is advisable to feed each meal within 2 hours. In the early autumn of autumn, supplemented concentrates are mainly fed with green fodder, supplemented with concentrates; by the time the temperature in the late fall is declining and the supply of green fodder is insufficient, the feeding amount of concentrates should be increased in time, even with concentrating concentrates. According to the actual situation, feeds such as bean sprouts, bean cakes, oil cakes, cotton cakes, bran, bean dregs, beans, etc. can be fed. Steamed sweet potatoes can also be used to mash them, and rice bran and corn flour (whose ratio is 35:5) can be kneaded into groups. Feed on the food table, add 1.5% salt each time, feed 2 times a day, and grasp the appropriate amount of feed. To prevent the pan pool from being unstable in autumn, the ponds are susceptible to flooding. If there are water conditions, it is necessary to timely inject fresh oxygen; if there is no water to be discharged, aerators should be used to increase oxygen, and it is necessary to do morning and evening patrols and find problems in a timely manner. RFID Paper Card also called Contactless Smart Tickets, which its a kind of new and environmentally friendly card, and they are now gradually replacing PVC cards. Contactless Smart Tickets are mainly used in consumption and entertainment fields such as electronic games, video and audio industry etc. Furthermore, It also used for gift cards, membership cards, magnetic strip cards, business cards and more. RFID paper tickets are increasingly becoming popular for authentication and access control in transportation and other environments, improving efficiency and convenience while helping to quickly and safely process high volumes of travelers or visitors. Rfid Card Cost,Rfid Ticket Card,Rfid Paper Cards,Printed Rfid Cards Guangdong Xinye RFID Label Application Co., Ltd , https://www.xinyerfid.com