The ancient tree bark means that the bark of ancient trees is uplifting and falling off, and its shape is irregular, and it is severely cut into rings. Ancient tree molting is an important issue that causes ancient trees to become weak or even die.
The following describes the technical aspects of controlling ancient tree moltings. 1. Clean rot For exposed xylem that has been eroded or rotted, thoroughly remove rot or discolored parts and clean the surface of exposed xylem that is not eroded or not rotted. 2. Deworming, disinfection and removal of insecticides can be used to eliminate sputum phosphorus liquid, rubbed with a brush. The disinfectant is available one day after the insecticide is used. The disinfectant is mainly made of copper sulfate, and the ratio is 1:30-50 times. A small bottle sprayer can be used. In addition, it can be disinfected with potassium permanganate. 3. Preservative treatment After the rot, insecticide, and disinfection are completed, apply a preservative. It must be noted that all the bare xylem should be applied, usually 3-4 times. Tung oil is currently used more often, and other agents such as carding agents, water tar, paraffin, etc. can be used.
Europe: 2011 was a strong year for European plant extracts. As the largest herbal medicine market in the world, products made from plant extracts are favored by local consumers. From January to December, China's export of plant extracts to EU was 290 million US dollars, up 63.2% year on year, the export quantity was 11,000 tons, up 15.1% year on year, the average export price increased 41.8% year on year, showing a good situation of both volume and price rising. The main exporters of plant extracts to Europe are Spain, Germany, France and the United Kingdom.
American market: The North American market or American market is the most important export market of Chinese plant extracts, ranking first in plant extracts export since 2005. Taking dietary supplements has become a habit for most Americans, which has led to a growing demand for plant extracts in the world's largest market for dietary supplements. The US market has become a global vane for medicinal and health plant extracts, and the increase and decrease of market demand will directly affect the changes of other global markets. In 2011, China exported $180 million of plant extracts to the United States, up 54% year on year. The export volume is 8,050 tons, up 32% year on year.
European, American,USP,EP
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