In the northernmost tea planting area in China, the planting area of ​​Taishan green tea has reached 17,000 mu, the annual sales of dry tea has reached 350 tons, and the sales amount is 200 million yuan. There are registered trademarks such as “Golden Daughterâ€, “Daughter's Tea†and “Wuyue Exclusiveâ€. 50.
As the northernmost tea planting area in China, the planting area of ​​Taishan green tea has reached 17,000 mu, the annual sales of dried tea has reached 350 tons, and the sales amount is 200 million yuan. There are “Golden Daughterâ€, “Daughter Tea†and “Wuyue Exclusive†and other registrations. There are 50 trademarks. In October 2012, the Ministry of Agriculture formally approved the use of "Taishan green tea" agricultural product geographical indications to protect Taishan green tea produced in a specific natural and geographical environment within the territory of Tai'an City and between 200 and 800 meters above sea level.
Tea drinking in Tai'an has a long history. It was already popular during the Tang Kaiyuan period. According to the records in “Feng Shi Wen Jian Luâ€, “In the middle of the first year of the Lunar New Year, Taiyan Temple in Taishan Prefecture had fallen from the monk Zen Master Daxing Zen teachings and learned Zen. It is also necessary for people to drink tea when they drink it. People will use it to cook and drink. From then on, they will follow the example and form a custom.†But the cultivation of tea was only started in the 1950s, according to the "Zhihai Business Journal of Shandong Province." Data records: In 1952, people brought tea seeds from the south and planted them on Lushan Mountain, but only survived two or three clumps. In the process of large-scale “Southern Tea and Northern Introduction†implemented by Shandong Province in the 1960s, Tai’an became one of the earliest areas for successful introduction of tea plants in Shandong, and the first major development of the tea industry occurred in the 1970s. The cherry trees in Nanxun, Daguanzhuang in Tianbao Town, and other counties and counties also have preserved tea trees from this period. These tea trees have also been used for tea-picking for economic benefits. In the 1990s, with the rise of the national famous green tea, The economic benefits of tea have been significantly improved. Especially in recent years, under the great attention of the municipal party committee and the municipal government, the tea industry, as one of the key agricultural development industries in our city, has achieved rapid development, showing a good development trend and becoming a part of farmers. One of the featured industries for wealth and agricultural efficiency. As of 2010, the city has a total area of ​​more than 13,000 acres of tea gardens, 226 tons of tea production, tea industry output value of nearly 600 million, involving tea-producing areas of 20 townships and 51 villages. There are more than 30 tea processing companies in the city, mainly processing and producing green tea. Since 2010, there has been a small amount of black tea production; more than 20 registered trademarks have formed “Gold Daughter Teaâ€, “Zong Son Tea†and “Tai Shan Daughter Teaâ€. "Five Sacred Teas" and other Taishan green tea brands. Due to the influence of geographical environment, Tai'an is a suitable area for the growth of tea trees, and it also makes Taishan green tea have the quality characteristics such as “high-sweet, thick-leaved, thick green, bright green, flowery or chestnut-flavoredâ€. Widely enjoyed by sellers.
Tai'an City is located in the central part of Shandong Province and south of Taishan Mountain and is located at 116°20′E-117°59′E and 35°38′N-36°28′N. The area is divided into mountains, hills, plains, depressions, and lakes. A variety of landforms, the terrain is tilted from northeast to southwest, the annual average temperature is 13.0-13.6°C, the annual sunshine percentage is 51%, the average air humidity is 66%, seasonal temperature changes significantly, and the average temperature in January is the lowest in the whole year. , can be reduced to -11°C, the average temperature in April and October is ≥10°C, the average temperature in May and September is ≥20°C, the average in July is 26.5°C is the highest in the whole year, the soil PH value is high, and can not be well met The biological characteristics of tea trees like warm, wet and sour are not conducive to the growth of tea plants. Based on the above, it can be seen that Taian belongs to the subtropical tea plantation area (the critical temperature of tea planting area is 13°C) and is a rare natural advantage for green tea production. Its tea plantation elevation is generally between 200m and 800m, and the tea growing season (Spring and Autumn Seasonal) Low temperature, low light, large temperature difference between day and night, slight new growth of tea trees, accumulation of nutrients, weak nighttime respiration, low consumption of nutrients, high content of amino acids and chlorophyll in fresh leaves, forming Taishan green tea fragrance High-taste-rich, thick leaf-resistant foam, bright green soup, floral or chestnut notes.
Taishan green tea is curled and roasted green tea. Spring tea is cultivated in greenhouse facilities. It is usually mined in mid-March and uncovered in late April. It is harvested until early October. It can be divided into spring tea, Summer tea and autumn tea. Huangshan group species, Fuding Dabai, Zhejiang Yongkeng, and Qimenyaye species are different varieties. Different varieties of Taishan green tea in different seasons also have different quality. The “Golden Daughter Tea†special tea is used as a tea sample for research. The picking standards are one bud and one leaf. The sources and varieties of origin are as follows: 1 Xiaojinkou village base Huangshan group species 2 Peach bud base Fuding white), quality characteristics Identification and differentiation are shown in Table 1 below:
From Table 1, it can be seen that the same as Taishan green tea, there are major differences due to the variety of origin and quality of origin. The green tea from Ozu mouth has a compact shape, darker color than dark green, aroma with tender and fragrant notes, a more fresh and cool taste, and a thinner leaf bottom; while the green tea produced from Peach Blossom has a firmer, fatter, darker, darker color. Run, the aroma is dominated by chestnut, the aroma is more mellow and the bottom is thicker.
In addition, there are differences in the quality of Taishan green tea in different seasons. Relatively speaking, the spring tea is tender and oily, the taste is fresh and the soup is bright, while the tea in the summer tea is grayer, more than a millimeter, the soup color is easy to be dark, and the taste is slightly astringent; the autumn tea is aroma floral and the taste is slightly thinner. .
Combining years of production practices with the experience of Taishan green tea quality, comprehensive seasons and other factors can distinguish Taishan green tea from the following:
(1) From the perspective of dry tea
Where the color is green, the tea is heavy and heavy, the tight cords are tight, and the aroma is rich, it is the main quality feature of spring tea.
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