In recent years, the Jingjiang City Agricultural Technology Promotion Center in Jingjiang City, Jiangsu Province has developed and developed the water chestnut pollution-free high-quality and high-efficiency production technology. In the Qianjiang Village Group, it uses low-lying ponds and waste fish ponds to cultivate more than a thousand acres of water chestnuts, accounting for more than 30% of the total water surface, and the benefits of 2500 acres. -3000 yuan. The town established the Lingjiao Production Association in 2005. In 2006, 350 acres of water chestnuts in Jingxing Village was recognized by the Provincial Agriculture and Forestry Department as a production base for unharmful water chestnuts.
First, choose suitable waters and improved varieties. Choose the water level within 2 meters, the fluctuation is gentle, the underwater sludge is more than 20 centimeters, the fertile soil of the low-lying pond, river pond or river channel. Varieties should choose high-quality, high-quality goods, such as water Hongling, Jinhu Daqing Ling and other varieties.
Second, the appropriate sowing. From November of the year to the beginning of April of the following year, sowing can be done. Seeds of 20-25 kg per acre of water are planted so that the seedlings are spread evenly on the surface of the water, allowing them to sink naturally into the bottom of the trench. In the middle and late May of the same year, we can transplant the Mizongling seedlings that have just emerged from the middle of the river ponds of the previous year. 800-1000 diamonds per acre are kept in the water, and they are kept at depths of 30-40 cm after planting. Water level. Later, with the elongation of the stalks, gradually deepen the water level, the deepest to 1.5 meters is appropriate.
Third, cultivation and management. (1) Fertilization: Planting water chestnuts can be applied without basal fertilizer. When the main stems of the water chestnuts are formed, and there is a separation plate, 10-15 kg urea can be topdressed per mu. Fertilization method: mix the urea and 10 times the amount of fine mud well, make a fat mud mass, stuff it into the underwater mud, and chase the fertilizer 1 times in the fruiting period. Before and after flowering, leaves were sprayed with 0.2% potassium dihydrogen phosphate solution 2-3 times after 4 PM.
(2) Finishing the diamonds: Clear up the places where the diamonds are in close contact with each other. In the early flowering period, cut off the small diamonds in the later stage, keep the marble plate, and wind the animals or overturn the plate to straighten out the plumes to improve ventilation. Translucent conditions to prevent high temperature stuffy, resulting in underwater hypoxia, caused by falling flowers.
(3) Pest control: The major diseases and insect pests in the eucalyptus plant are Euphorbia leafhoppers, purple leafhoppers, whitefly, and brown spot. Among them, E. acerifolia is a major pest that damages the lobusta. It occurs widely and is of great danger. It damages with the adult and larval swarms that feed on the leaves, but it causes damage to the lobed leaves and the yield is drastically reduced, while the leaves are eaten. , resulting in loss of income. The prevention and control of E. sinensis and E. purpurea are controlled in the initial stage with 90% of crystal trichlorfon 1000 times or 25% of insecticidal double 500-600 times, and the control is repeated 2-3 times every 5-7 days. Alternately spray and spray thoroughly. Trichlorfon is effective against the leafhoppers, and it is relatively safe for fish in Lingtang. Other agents, especially pyrethroids, are highly toxic to fish and should not be used in fish ponds. Prevention of white peony disease, brown spot, at the beginning of the disease with 70% thiophanate-methyl 500-600 times or carbendazim 500-600 times spray control, interval 7-10 days and then medication once.
4, timely harvest: Water chestnut harvested when fully mature, the morphological characteristics of the skin is fully hardened, fruit and fruit stem junction ring fine cracks, easy to take off, sharp corners exposed, sinking water sinking. The first harvest period is harvested 10 times a day, the harvest period is 2-3 days harvested once, and the harvest period is 6-8 days, a total of 10-12 harvests.
Sencha is a type of Japanese ryokucha (green tea) which is prepared by infusing the processed whole tea leaves in hot water. This is as opposed to Matcha , powdered Japanese green tea, where the Green Tea Powder is mixed with hot water and therefore the leaf itself is included in the beverage. Sencha is the most popular tea in Japan.
Sencha accounts for 75% of green tea produced in Japan. It is the most popular and common tea in Japan and served for daily drinking use.
At the tea garden (open-air tea field) buds are picked from plants fully exposed to sunlight, then are stemed and dried as they are kneaded. Sencha has a unique fresh aroma and refined astringency.
Although all Sencha contains caffeine the efficacy of the caffeine in green tea is mild in the presence of other nutrients and vitamins. Nevertheless it does revitalize and wake the drinker in a healthy manner. That is why green tea first came to Japan as a medicine and incidentally there are many Japanese proverbs that refer to its awakening effect in the morning. Our Sencha is only selected from Uji region, is grown under the sun without a cover. The process of making sencha is the same as gyokuro, After picked, the news buds are steamed and kneaded as they are dried, after aracha manufacture process, it goes to shiagecha manufacturing process, need -like leaves are evenly producted.
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