Winter is the most weak period of tea garden tea pests and pathogens. By trimming tea trees, clearing gardens and spraying stone sulphur mixture to seal the garden, the wintering base of tea tree pests and diseases can be greatly reduced, the input cost of tea garden agricultural resources can be reduced, and the quality of tea gardens can be improved. Level. The majority of tea farmers should do a good job in winter management of tea gardens to ensure that the fields are clean and provide guarantees for continued high yields in the coming year. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone Xi'an Healthway Biotech Co.,Ltd , https://www.xianhealthway.com
First, technical measures:
1. Tillage: Combine with the base fertilizer to plow the tea garden, the depth of excavation is 15-20 cm, so as not to damage the tea root, then the ditch line along the edge of the tea can be digging deep, and then cover the soil.
2. Tea garden cleaning: First, cut off the thin branches of the pests and leaves of the tea tree and the tea tree stalks, and destroy them centrally; clean the leaves and topsoil near the rhizosphere of the tea garden to the ground. Second, the weeds on the roads, ladder walls, ditches, and pools were removed with a knife.
3, pharmacy closure: spray Bomei 0.3 ~ 0.5 degree stone sulphur mixture or 45% crystal sulphur mixture 200 times liquid and other control wintering pests, spray wet spray.
Second, matters needing attention
1. The stone sulphur mixture is alkaline. It is recommended to be used alone. It should not be mixed with common pesticides and alkaline pesticides such as Bordeaux mixture. The appliance should be cleaned before and after use to prevent neutralization and corrosion damage. Stone sulphur mixture is highly corrosive to human skin and can stimulate eye and nose. Pay attention to labor protection when using.
2, stone sulfur mixture is limited to the use of winter closure, the general use time is in late November to late December, the use of stone sulfur mixture temperature does not exceed 15 ° C, the concentration is controlled in Bamei 0.3-0.5 degrees is appropriate.