1 Cut off the mad branches and remove the diseased plants that have no economic value.
2 Select disease-resistant jujube varieties as rootstocks.
3 Strengthen orchard management, increase alkaline fertilizer and farmyard fertilizer.
4 In the early stage of disease, hand drilling was used to drill holes in the rhizomes of the diseased trees. During the budding period of the jujube tree in spring or in October, each diseased tree was instilled with 0.1% tetracycline liquid and 500-600 times the new high fat film. 500 ml.
5 Drill one hole on both sides of the trunk base or middle and lower part of the non-invasive section to reach the medullary heart. The vertical distance between the two holes is 10 to 20 cm. The oxytetracycline solution containing 10,000 units is injected with a high-pressure syringe.
6 according to every 667 square meters of jujube garden spray 0.2% ferric chloride solution plus 600 times the new high-fat film, spray every 5 to 7 days, and even spray 2 or 3 times. Each use of liquid 75 kg to 100 kg, for prevention and treatment of jujube disease has a good effect.
Energy Abosorbing Lanyard is a connection between Full Body Harness and fixed point. It made of high strength polyester rope. One end with normal karabiner for connect harness, the other end with one or tow big hook. The hook can be connect with fixture. And it with Energy Absorb unit.
It used for high-altitude workers.
Energy Absorbing Lanyard,Shock Absorber Lanyard,Safety Lanyard With Shock Absorber,Safety Lanyard With 2 Hooks
Greateagle Safety Products Co., Ltd. , https://www.greateaglesafety.com