Fertilizer insecticide method in the pest harm, with 2% urea solution or 1% ammonium bicarbonate solution or 0.5% ammonia solution for spraying, every 7-10 days, once sprayed 2-3 times, Pests have a certain stimulatory effect, especially for some small, weak endurance insects such as spider mites, yellow spiders, aphids, carnivores, thrips, etc., and the control effect is particularly good; the cotton plants are treated with a 2% superphosphate leaching solution. Spraying outside the roots can not only control the cotton bollworm larvae, drive the spawning of the cotton bollworm, but also make the bollworm lose its attracting force, thus greatly reducing the damage of cotton bollworm to cotton. Practice has proved that 25-30 kg of silicon-calcium per acre is applied. Fertilizer can greatly reduce the damage of aphids, armyworm and other pests.
The ash-killing method uses 10 kg of grass ash to dilute 50 kg of water and soaks for a day and a night to take filtrates. It can effectively control locusts on fruit trees, flowers, crops and vegetables and can be supplemented with potassium to enhance the lodging resistance of crops. It also provides flowers and fruit trees. Seedlings have wind and cold resistance. If an appropriate amount of trichlorfon is added to the sod infusion, the contact and fumigation effects of the liquid can be enhanced, and the killing power to pests can be improved, especially for flies, aphids, aphids, and red spiders.
The mixed application of fertilizer and fertilizer combined with pesticides made the effect of supplementing fertilizer and insecticide more prominent. Adding 40% parathion EC to the 1% urea solution and evenly spraying, the control effect of spider mites on fruit trees, flowers and cotton can reach more than 95%, and it can also have good effects on aphids and other pests. At the same time, it can promote crops, Fruit trees increase production by about 15%.
The urine-washing mixture insecticide method generally uses 300-500 grams of urea plus 100 grams of laundry detergent per acre, and 50 kilograms of water. After mixing and mixing, a urine-washing mixture is sprayed to effectively control the redness of crops, vegetables, and fruit trees. Spiders, aphids and other pests, and can play a certain fertilizer effect.
Bioinsecticides use pests' natural enemies or pathogenic microorganisms to control or eliminate pests. Common and used beneficial natural enemies include Trichogramma, Golden wasp, Carnivorous ladybug, Grass bell, Spider, Little wasp, Frog, Swallow and so on. If these beneficial natural enemies are well protected and used, they will not only eliminate pests but also reduce costs, protect the environment, and increase economic efficiency.
Greenhouse Wet Pad For Cooling System
"Wet curtain - fan" of the vertical ventilation cooling combination is the most economical and effective measures to cool the greenhouse in summer.
Years from the application of a real show, even in the heat of the day reported, the rational design and installation of a fan of wet curtain cooling system can still control the greenhouse temperature at 30 °C, in order to heat the greenhouse to reduce the adverse effects minimum. In the summer, your production needs Jienuo wet curtain to help.
Greenhouse Wet Pad For Cooling System,Greenhouse Wet Curtain,Greenhouse Cooling Pad,Greenhouse Cooling Paper
JIANGSU SKYPLAN GREENHOUSE TECHNOLOGY CO.,LTD , https://www.greenhousehydroponic.com