Figs are the oldest cultivated tree species in the city. In Rongcheng Sushan Island, there are still large areas of original fig forest. Walking through the Weihai urban and rural areas, fig trees can be seen everywhere. The fig tree has become a beautiful landscape in Weihai. Around the mid-nineties of the last century, the city began to cultivate figs on a large scale, and the figs also moved from the courtyard to the fields. The production areas were mainly concentrated in the urban areas of Weihai, northern Rongcheng and the southern town of Rushan, with a total area of ​​468 hectares. More than 10,000 tons. The thin and seedless fig skin, soft flesh, sweet flavor, fresh and refreshing, is a popular fruit favored by men, women and children. Interestingly, the fig tree cannot be overwintered naturally in northern China, and it is difficult to manage. In the south, due to more precipitation and less sunshine, the temperature difference between day and night is small, and the taste is slightly lighter. Weihai's unique geographical environment and climatic conditions are just adapted to the natural growth needs of figs. The real estate figs are large in size, good in quality, and rich in flavor. They are known as “fine domestic figsâ€. Figs are suitable for planting, have strict requirements for the natural environment, have strong ability to resist saline and alkaline, and grow normally on general loam and sandy loam soil. The main factor limiting the cultivation of figs is the low temperature in winter. Generally, the shoots will be frozen when the temperature is -10°C. When the temperature reaches -17°C, almost all the branches above the ground will freeze to death. For safe wintering, the trunks of inland areas need to adopt measures for insulation (such as grass binding, buried soil, etc.). In normal years, the figs in Weihai do not need to take any measures and can safely live in winter under open air conditions. There are many suitable varieties of figs in Weihai, and there are two main ones that have been preserved: Qingpi and Blanco. At present, the main promotion of planting is the green skin, the fruit is inverted cone-shaped, green skin before ripening, yellow-green after ripening, purple flesh. Xiaguo has an average fruit weight of 80-100 grams, and Qiuguo has an average fruit weight of 50 grams. Fruit juice is more, fine meat, sugar content of 22% -24%, sweet, excellent quality. The ripening period of summer fruit is from mid-late June to mid-July, and the ripening period of autumn fruit is from mid-August to the fall before. Qingpi has high yield, good fresh food and processing, and has strong cold resistance and drought resistance. It is the best cultivated area in Weihai with the best quality. In recent years, the city has introduced more than a dozen varieties such as Japanese purple fruit, which is being observed and tested. The planting time of figs should be carried out after defoliation in winter, before thawing or after thaw in spring, and before germination. To prevent seedlings from freezing or draining, the planting of figs is mainly based on spring planting. The orchard should choose to promote the planting of the planting belt without planting or non-flood. It is also possible to dig and plant the planting hole with a diameter of 60-80 cm and a depth of 60-100 cm. The row spacing can be selected from 34 meters, 2.53 meters, 23 meters or 2.54 meters depending on the canopy and terrain. When planting, there should be better soil moisture, and planting water after planting. The height of fruit seedlings is suitable for 40-60 cm, and wound protection agent should be applied at the cut-out point. In order to facilitate the picking, it is also possible to cut short at the base of the trunk and use pruning. Basal fertilizer is generally applied after the fruit is harvested and before it is frozen. The time is from about mid-to-late October to mid-November, and more than 2,000 kg of organic fertilizer is applied per mu. The livestock and poultry manure, compost, and rapeseed cakes are all acceptable. Top dressing is generally performed in 2-3 times in 6-8 months, mainly based on quick-effect compound fertilizer, and with the application of trace elements, excessive application of nitrogen fertilizer is not appropriate. The main methods of pruning are short cuttings, thinning, and wiping buds. It is not appropriate to cut a large number of trees in addition to the tree updating. Summer pruning mainly removes dense and messy branches, wipes off sprouts, removes auxiliary shoots, cuts roots, and maintains ventilation and light transmission within the crown. Winter pruning is mainly to make up for lack of pruning in the growing season, to remove weak litter, pests and branches or disturb the tree branches. Few pests and diseases occur in figs. It is one of the few tree species in Weihai that does not need to be sprayed with pesticides all year round. It is known as “non-pollution fruit†and “fairy fruitâ€. The pest that damages the fig branch is Sangtianni. It can be used to capture adult worms and inject fumigants into the boring holes. Pests that harm fruits include white beetle scarabs, fruit flies, and bird pests. The hazards in normal years are extremely light. Generally, no control is required. Individual pieces that are seriously endangered are subject to individual control. Figs mature in batches from June to November each year, and they are harvested once a day during the mature period. When the fruit color changes from green to peculiar color, the fruit is obviously enlarged and soft, and the flesh exhibits inherent flavor, it should be harvested. The figs are not resistant to storage at room temperature, and should be placed in a cold store at a temperature below 5°C in advance and put on the market. The lower temperature in the morning and better fruit storage and transportation are the best picking time. Disclaimer: Some articles in this website have been transferred from the Internet. If you are involved in third party legal rights, please inform this website. phone
China: In accordance with Article 54 of the Food Hygiene Law of the People's Republic of China, Article 28 of the Hygiene Management Measures for Food Additives, Article 2 of the Hygiene Management Measures for Food Nutrition Enhancers and Article 99 of the Food Safety Law of the People's Republic of China, food additives are defined as: Food additives refer to artificial or natural substances added to food for the purpose of improving quality, color, aroma and taste of food and for the purposes of preservative, fresh-keeping and processing. According to GB 2760-2014 National Food Safety Standard for The Use of Food Additives, food additives are defined as "artificial or natural substances added into food for the purpose of improving food quality, color, aroma and taste, as well as for the needs of anti-corrosion, fresh-keeping and processing technology. Spices for food, base agents in gum-based confectionery and processing AIDS for food industry are also included.
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