Yangtze

In recent years, the area of tea gardens has grown annually in response to the increasing demand in the tea market. However, the expansion of tea garden areas has brought about a series of issues including soil erosion, acidification, and reduced fertility, which are detrimental to tea yield and quality. This article, based on the current distribution of tea gardens in our country, summarizes the more common problems in the tea garden soil environment. It also analyzes the remediation effects and mechanisms of applying biochar, microbial fertilizers, and compound conditioners, aiming to provide a theoretical foundation for future soil improvement work in tea gardens and the promotion of soil conditioners. This article, based on the current distribution of tea gardens in our country, summarizes the more common problems in the tea garden soil environment. It also analyzes the remediation effects and mechanisms of applying biochar, microbial fertilizers, and compound conditioners, aiming to provide a theoretical foundation for future soil improvement work in tea gardens and the promotion of soil conditioners. I. The Area and Distribution Characteristics of Tea Gardens in Our Country As of 2022, the total area of tea gardens in our country has reached 3.3303 million hectares, ranking…

"Throughout history, poets have been tea connoisseurs, toasting their friends with a cup of clear tea." In China's thousands of years of history, the humble tea leaf has played an indispensable role. Among the seven refined pursuits of life—music, chess, calligraphy, painting, poetry, wine, and tea—one cannot do without tea! The tea mountains are filled with verdant green after a whole winter of rest and accumulation. It seems that the fragrance of tea wafts from the tenderest and most vibrant branches among the leaves, its subtle aroma enchanting and intoxicating. Spring breezes are delightful, but nothing compares to sipping a cup of spring tea, lost in its floral splendor. What is Pre-Ming Tea? "Pre-Ming Tea" and "Pre-Rain Tea" are terms used in the Jiangnan tea region along the Yangtze River to refer to different stages of spring tea based on seasonal divisions. Due to the climate in the Jiangnan area, some early-emerging tea varieties begin sprouting around the Awakening of Insects and Spring Equinox. Thus, tea harvested before the Qingming Festival is called "Pre-Ming Tea." The appeal of "Pre-Ming Tea" has always been due to its high quality and relative scarcity. Its excellence lies in the tenderness of its buds…

Recently, there has been a significant temperature drop in the tea-growing areas north of the Yangtze River, south of the Yangtze River, eastern parts of the southwestern region, and southern China. Some regions have experienced temperature drops exceeding 18°C. The province has seen the most extensive freezing weather since winter began, with minimum temperatures dropping below 0°C in all areas except parts of the Qiannan Buyi and Miao Autonomous Prefecture. Prolonged low temperatures, freezing conditions, and snowfall will cause varying degrees of damage to factories and seedling greenhouses in some tea-growing areas, adversely affecting young tea seedlings and mature tea plants, delaying harvesting times, and reducing tea production. Urgent action is needed to prevent and mitigate the impact of freezing weather. To cope with the cold snap and minimize freeze damage to tea gardens and facilities, based on technical guidance developed by the Department of Crop Management under the Ministry of Agriculture and Rural Affairs, together with the National Agricultural Technology Extension Service Center, the Expert Advisory Group on Tea of the Ministry of Agriculture and Rural Affairs, and the Tea Research Institute of the Chinese Academy of Agricultural Sciences, and considering the actual situation in Guizhou, the following preventive…

Although tea trees have a certain ability to withstand adverse weather conditions during their growth and development, they can be harmed if the conditions exceed a certain limit. This can range from reduced yield and quality of the leaves to the death of the tree. So what are the effects of low temperatures on tea trees? I. Common types of frost damage in tea trees The common types of frost damage in tea trees include snow frost, frost, and dry cold wind frost. In tea-producing areas south of the Yangtze River, snow frost and frost are predominant, while all three types of frost occur in areas north of the river. After being affected by frost, tea trees typically exhibit red withering or green withering. In areas south of the Yangtze River, red withering is more common, while both forms occur in areas to the north. II. The sequence of frost damage development in tea trees Tea trees have a certain ability to resist low temperatures, but different organs have varying degrees of cold tolerance. Among leaves, stems, and roots, cold tolerance decreases in that order. However, under field cultivation conditions, leaves protect the stems, and the stems and leaves together…

The plum rain is a concentrated period of rainfall that occurs annually from June to July in the mid-lower reaches of the Yangtze River, including tea areas in southern China, as well as subsequent mountain floods often accompanied by typhoons in August and September. Experience has shown that improper disaster prevention or neglect during the plum rain and mountain flood season can pose significant threats and losses to tea production, particularly in mountainous tea areas in southern China. To minimize the adverse effects of plum rain and subsequent mountain floods on tea production, especially in southern China, we have compiled measures for disaster prevention and mitigation in tea production for your reference. 1. Pay Attention to Plum Rain and Mountain Flood Forecast and Warning Information After June each year, tea areas, particularly those in mountainous regions of southern China, should promptly monitor the latest weather forecasts and mountain flood warnings. Be vigilant against the risk of mountain floods due to continuous rainfall or short-term heavy downpours and strong convection weather. Closely watch changes in weather conditions and rainfall levels. Once there is a forecast or warning of significant rainfall, it's better to be overly cautious and enter a state of…

Tea enthusiasts who enjoy tea are certainly familiar with Pu'er tea, but not all may know how to fully appreciate it. Today, let's discuss the seven steps to enjoying Pu'er tea together. Step 1: Observe the Tea Mature production processes ensure consistency in the shape of the compressed tea cakes, which are evenly formed and tightly compacted. Since the introduction of electrostatic dust removal machines, contemporary Pu'er teas from reputable manufacturers do not contain foreign objects. However, before 2004 when these machines were not widely used, older teas might have some impurities as they were manually screened. The color of Pu'er tea can help distinguish between raw and ripe varieties: ripe Pu'er is dark brown, while raw Pu'er ranges from dark green (young) to brownish-red (aged), with loose or compact leaves that become dry and lustrous over time. Step 2: Feel the Tea Feel the compactness of the tea; a loosely packed tea will age faster under the same storage conditions compared to one that is more tightly packed. When breaking off a piece of the tea, check for consistency throughout – some teas have higher-grade leaves sprinkled on the surface for better appearance, while others use a uniform grade…