First, the tea garden covers the grass. This technology can reduce ground surface temperature, reduce soil moisture evaporation, inhibit weed growth, multiply beneficial organisms, increase soil organic matter content, prevent soil erosion, and prevent drought and drought. Its coverage thickness is generally 3-5cm, per mu. 1000-1500 kg
Second, comprehensive management of weeds. It is necessary to timely cultivate defoliants that fight with the tea tree to compete for light, and to maintain the natural weeds that grow in the open space of the tea gardens, such as: ground ploughs, landing rakes, and Japanese flowering grasses such as Japanese cymbidium, to improve the ecological environment and conserve soil and water.
Third, rationally picking and raising trees. The hot season is the summer season tea harvest season, the high temperature is easy to make tea shoots aging, so fresh leaves should be timely tendered according to the standard, to ensure the efficiency of harvest, reduce the occurrence of pests and diseases. The most ideal measure is to maintain leaves and trees in the season, not to spray pesticides to protect natural enemies in the hot season, to create a good environment for natural enemies, to protect and use natural enemies, to improve natural biological control, to reduce the summer heat and tea production, and to reduce the The proportion of low-grade tea increases the output of spring and autumn tea and improves the product quality rate.
Fourth, timely control of pests. Small green leafhoppers occur in many algebras and have a rapid outbreak, which has a severe impact on summer heat and tea tree crown development. The prevention and control of pests in tea gardens should adhere to comprehensive prevention and control strategies for harmlessness, encourage the use of insecticidal lamps to trap and kill pests, and reduce the use of pesticides to protect natural enemies. If the prevention and control indicators are met and the chemical pesticides must be used for prevention and control, appropriate pesticides should be selected according to the different quality and safety standards of pollution-free tea gardens, organic tea gardens, and green food tea gardens, and the safety period of pesticides should be taken into consideration. The general pollution-free tea garden can be selected: to control the false green eyes with 2.5% bifenthrin (Uranus) 3000 times liquid medicine or 10% imidacloprid 1500 times liquid; the organic tea garden is mainly used for agricultural control to assist physical and biological control. , Keep pests below the minimum loss line.
V. Irrigation replenishment Drought cooling. Irrigation is the most effective measure when high temperature and drought persist. Tea gardens with better water conditions advocate the establishment of irrigation facilities such as sprinkler irrigation and drip irrigation. When drought occurs, irrigation can be carried out in time, and irrigation must be done thoroughly.
6. The use of shade nets to cover tea gardens can also ease the drought.
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