The vision training equipment includes the annular vision training system, which helps students to establish the concept of coordinate axis and Angle, enhance the vision field and the eye movement ability, train the visual cognition and visual tracking, and is conducive to the rehabilitation of low vision caused by amblyopia. If you would like to purchase Visual Training Equipment, Convenient Circular Vision Tracking Trainer, please contact us.
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Fruit tree stem disease prevention
To prevent fruit tree trunks, dry ring rot, dry rot, and rot. When the orchard is cleaned in early spring, the old, sick, and cracked skin are scraped off (not to injure fresh bark), and then the following prescriptions are used: 1 Each bottle of Tianda Yufeng 60ml and Tianda 2116 (200ml) is weighed 4~5kg and applied (spray) to the trunk to achieve sterilization, anti-freeze, and tree vigor. Continuous use of 2~3 The rough skin can gradually fall off. Big cherries and grapes can be used as antifreeze and cold-resistance to promote growth. 2 After scraping the trunk rot to the new skin, use a bottle of Tianda Yufeng 60ml and Tianda 2116 (200ml), dilute 2~3kg, seal the affected area, kill bacteria and promote wound healing. The effect of preventing rot disease is obviously better than that of rot. 3 Prevention of rot disease, first open the top soil around the diseased tree to dry, and then water the tree plate with 99% badewin 4000 times + Tianda 2116 fruit tree special 6000 times, the control effect is very obvious.