The history of Matcha Tea begins with China, specifically during the Tang dynasty. Green tea leaves were powdered and dried into bricks so they can be used easily. To brew a cup, a small piece of it is broken off and stirred into a cup of hot water.
Green tea was too delicious to stay as a Chinese secret. In the 1100s, the idea of the drink was brought by a Japanese monk to his home and then it quickly took off. Eventually, powdered tea became more popular in Japan than China, But only royal and highly revered samurai soldiers were allowed to drink it due to its high cost.
Eventually, Japan`s passion for Matcha Green Tea health benefits and flavor led to the development of the tea ceremony, a ritualized event enjoyed by the highest levels of society, and the perfect precursor for an afternoon of meditation.
Today, Matcha tea is celebrated around the world for its incredible health benefits.
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Seven measures of vegetables in the winter greenhouse
The growth of vegetables in winter greenhouses is greatly affected by the light conditions, and the lighting conditions (performance) include the light hours, light intensity, light quality and light distribution. Most vegetables require strong light conditions. However, in winter, especially in cloudy and snowy weather, the light is weak. Vegetable not only can not carry out more vigorous photosynthesis, and transpiration is also reduced accordingly, plant growth is delicate, affecting the yield and quality of vegetables. For example, under low light conditions, tomato pollen function declines and infertility; eggplants appear short inflorescences, affecting pollination; loofah, watermelon, and other plant malnutrition in the body, causing flowering and fruit drop. People call this phenomenon "light hunger." So, how can we increase the lighting effect of winter greenhouse vegetables and prevent “starvation� Here are seven simple and feasible methods for vegetable farmers to introduce: First, the use of high-quality non-drop film and maintain a smooth high-quality non-drop film high transmittance, not easy to pollute the dust, while often cleaning the shed film, keep the shed film is clean and prevent greenhouse vegetables " One of the important measures of light starvation. Second, pay attention to cultivation measures, improve lighting conditions Some cultivation measures can significantly improve lighting conditions within the shed, such as vegetables used north-south line, large row spacing and the same spacing, so that all lines can get better light conditions; melon vegetables, tomato Fruit vegetables, such as through pruning, removal of old leaves, timely binding of vines and other measures to adjust the plant light conditions, can play a better "lightening" effect. Third, the plastic film covered with plastic film has a good effect of increasing temperature, keeping water, preventing soil compaction, and has a good "lightening" effect. Due to the reflection of water droplets attached to the surface of the mulch and the mulch, the reflected light and scattered light near the ground can be enhanced by 50 to 70%. For peppers, eggplants, tomatoes, etc. can better improve the lighting conditions, while increasing soil temperature. Fourth, the use of reflective screens in the shed in the greenhouse or the south side of the rear pillar hanging polyester aluminum film as a light curtain, with a clear "grace" effect. The specific operation method is: hang the light curtain in early November, and then pick it up in the second half of April, hang the length as required, measure out two equal-length light curtains, and glue the two light curtains together with a transparent tape. , forming a 2 meter wide banner. Pull the two east-west thin wires at the top of the middle column of the greenhouse, fold the upper and lower sides of the curtain back about 3 cm, and then fix them with a transparent tape or paper clip. The light curtain can also be fixed directly on the back wall (remaining vents must be left). Note that there should be a gap underneath the reflective screen to facilitate watering. Close to the light curtain should be properly watered; nursery seedlings, seedlings should be 50 cm away from the light curtain, to prevent burns seedlings. Fifth, the reform process method using nylon rope hangers, such as cucumber, beans, etc., in the ridge above the arch fixed a wire, plug the roots of the crop short bamboo or iron wire, the nylon rope tied to the wire and bamboo poles. After spreading the vine, the vine is coiled around the rope and coiled once every 5 to 7 days. This shelf-type light transmission is good and less expensive than bamboo rafts. The use of bamboo rafts to form a straight row instead of quadrilateral, to promote a wide future. Carbon dioxide gas is released in greenhouses. The vegetables have dark green leaves, thick leaves, high plants, and bright fruits, which increase the yield by 28% and increase the economic benefit by 20%. The use of ammonium bicarbonate plus sulphuric acid (2 kilograms of ammonium bicarbonate plus 1.2 kilograms of sulphuric acid to generate 1 kilogram of carbon dioxide gas) generates carbon dioxide, which allows the use of 1 cu-meter of indoor carbon dioxide racks and herringbone racks. Each frame should be perpendicular to the ground, and the top of the frame should be connected and fixed at intervals. Each ridge should be fixed at one place. The tomato is suitable for straight rows. Take care to prevent the flip frame. Six, timely removal of shed film droplets of water droplets can strongly absorb, reflect the sun's rays, according to information, severe light transmittance can be reduced by about 50%. To this end, the elimination of water droplets on the membrane, water film is one of the effective ways to increase light, the specific methods are: 1, the choice of non-drop film or three-layer composite film. 2, wipe with a clean rag. 3, must be implemented to cover the film, under the film irrigation, control of air humidity. 4. Close the shed for 1 hour after watering and let the air out. 5. Set up a windbreak to reduce the temperature difference between the shed and the outside environment. Seventh, keep the shed membrane clean The general new membrane light transmittance can reach 80- 88%, but after covering for some time, because of pollution and aging, the light transmittance will change. Water droplets and dust on the shed film have a great influence on the lighting in the shed. According to observations, a layer of water droplets is attached to the film, which can reduce the light transmittance by 20 to 30%. After the new film was used for 2 days, 10 days and 15 days, the light in the shed could be weakened by 14%, 25%, and 28% in turn because of the contamination with dust. Therefore, the water droplets and dust on the shed film should be cleaned and cleaned frequently. After snow, the snow should be removed in time to increase the transparency and the amount of light. The greenhouses ventilate for half an hour after sunrise to reduce the amount of water on the membrane surface, thus increasing the light transmittance.