In recent years, the area of ​​young seedlings has continued to increase. However, due to the fact that some seedlings are not strong and their diseases are serious, they often appear to have died after being planted. June-September is the rapid growth period of Italian poplar seedlings. This period of growth is the largest in the whole year. The key period in production should be to strengthen management and cultivate strong seedlings. The fast-growing period of Dingzao weeding was divided into two stages, which were carried out at the height of 1 m and 2 m, respectively, and finally the number of seedlings per mu was less than 2,500. Weeds will compete with Yi Yang Miao to compete for water, and weeding should be done in accordance with the principle of “in addition to early, small, exceptâ€. Scientific fertilization is mainly applied in the fast-growing period and is generally applied 2 to 3 times. For the first time from late May to early June, 15-20 kg of urea is applied per mu. After the rain is selected, it is distributed in sunny afternoons. The second time in the middle and late June, 30 to 40 kg of urea was applied per acre. The third time ended before the end of July, in order to facilitate the full lignification of Yi Yang Miao, 30 kg of urea per acre. After August, it is forbidden to apply nitrogenous fertilizer to Italian seedlings in order to prevent the seedlings from becoming leggy and not conducive to planting and survival. Pest control (1) Leaf pests. The common leaf pests of Italian poplar seedlings are C. sibirica, C. sinica, etc., and 20% of cypermethrin EC 2500 times, 2.5% of deltamethrin EC 2500 times should be sprayed at the peak of 2~3rd instar larvae. Pesticide control requires uniform and thoughtful spray. (2) Diseases. One is poplar canker disease. In May-August, chlorothalonil, carbendazim, dexamethasone, thiophanate-methyl, and other drugs were regularly sprayed on the poplar seedlings, and once every 10 to 15 days, they were continuously treated 3 to 4 times. The second is leaf rust. From July to September, it was found that there were powdered rust on poplar leaves to be controlled by spraying, and triadimefon, etc. were applied to the leaves of poplars. Once every 15 to 20 days, they were continuously controlled for 2 to 3 times. The third is wrinkle leaf disease. Symptoms were as early as 5 to 6 days after the buds were damaged, curled into clumps, and the branches could not be elongated. All the leaves shrank and the swelling became thicker and reddish or purple-red, which resembled a chicken-like crown. With the growth of the victim buds, a ball with a diameter of 5 to 20 cm is formed. It will dry out later and it will easily fall off with the wind. Crinkle leaf disease is caused by fleas and can be sprayed with 40% triclosan EC from 1000 to 1500 times. After a large amount of chlorosis, it is sprayed once every 7 days. If drugs with systemic or ovicidal effects are used, they can be sprayed every 15 days.
Pangfanyi Green pepper is mainly used as Seasoning, which ranks first among the thirteen fragrances. It has the function of not only anti-inflammatory and analgesic, improving sore throats, abdominal pain and diarrhea, but also eliminating cold detoxification, invigorating stomach, relieving itching, sterilization insecticidal effect and so on. In addition, it can also be used to make pepper oil, which can be used in spicy Sichuan food, hot pot, salad, pasta, etc. to promote appetite and accelerate the secretion of digestive fluid in the gut. As the phlegm-heat type, green pepper seeds can be eaten, and also soak feet for dehumidification and relieving pain.
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