1. Pest control: The main pests are aphids, cabbage caterpillars, and diamondback moths. The control of aphids can be sprayed with 25% Aikas 1000 times liquid or 50% sputum mist 2000 times liquid, or 250 grams of smouldering agent, and can also be trapped by yellow sticky insect board. For the control of Pieris rapae and Plutella xylostella, it can be sprayed with 2.5% vegetables like 1000-1500 times liquid or vegetable worms with 1000~1500 times.
Our Channel Punching Machine is the automatic special production line used for channel marking, punching, and cutting mainly in the field of angle steel tower industry, electric power fittings, structure storage facilities, and steel structure construction industries etc.
It can also work on angle steel , flat bar, so it can be used as angle channel cutting machine.
We have the perfect after-sales service and technical support. Look forward to your cooperation!
Channel Cutting Machine,C Channel Cutting Machine,Channel Punching Machine,Angle channel cutting machine Shandong EN FIN CNC Machinery Co., Ltd , https://www.sdfincncmachinery.com
2. Disease prevention and control: focus on prevention of downy mildew, black spot, and anthrax. For downy mildew, biological control can be adopted, that is, 250 g (salt) of pepper, ginger and garlic can be sprayed on 50 kg of water; 75% chlorothalonil WP 600 times or 72.2% anti-linger can also be used. The wettable powder 600 times liquid or the 40% ethyl phosphorus aluminum wettable powder 500 times liquid spray treatment. For black spot disease, the initial stage of the disease can be controlled by spraying with 50% carbendazim WP 600 times. For anthracnose, the initial stage of the disease can be sprayed with 70% thiophanate-methyl WP 500-600 times or 80% anthrax Fame WP 800 times.