Pest Induction
1. The black light trapping method uses the phototaxis of pests to set a black light lamp every 30 to 50 mu. From 9:00 PM to 4:00 AM the next day, it can trap and kill the diamondback moth, Spodoptera litura, Spodoptera exigua, and other small insects. Several hundreds of pests, such as ground tigers, larvae, cardamom, cockroaches, beetles, cotton bollworms, and cockroaches, have a better trapping effect, especially at nights where the weather is hot, moonless, and windless.
2. Sugar and vinegar trap and kill method 3 parts sugar, 4 parts vinegar, 1 part wine, 2 parts water, dubbed sweet and sour liquid, and add 90% crystal trichlorfon in a ratio of 5%, and then add the venom Pots are placed on a mound 1 meter high in the vegetable field, 3 sweet vinegar pots per acre, covered during the day and uncovered at night, can trap and kill Spodoptera litura, Brassica nathina, Spodoptera exigua, tigers, etc. A variety of pests.
3 poison bait trap method to take 90% crystals trichlorfon 1 kg, first with a small amount of hot water and then add 10 kilograms of water, evenly sprayed on 100 kilograms of sauteed pancake flour or wheat bran, mix well in the early evening Shun The stalks are spread around the roots of the crop, which is about 5 kilograms per mu and can trap and kill a variety of pests.
4. Poison weed killing method In the occurrence period of the tiger larvae, fresh weeds of 30 to 40 kilograms per mu are used to make a small section of about 2 cm, and then 90% crystal trichlorfon 50 g or 2.5% trichlorfon powder is mixed. 500 grams, spread in the evening after mixing, the trapping effect is good.
5. Willow tweeting method Yang and willow branches contain certain special chemical substances, which have trapping effects on many insect pests such as Helicoverpa armigera. Place fresh yang and willow branches one day to make them wilting, and then bundle them every 8 to 10 pieces and insert them into the fields in the evening (the masses call them “put yangliu Arrayâ€), which will grow 50-66 centimeters in length. The cotton plants are 15 to 33 centimeters in size, and 6 to 8 are placed in each mu. The next morning, a plastic bag is used to collect the moths, and the animals are retrieved and sprinkled with moisturizing to prevent the leaves from falling off and reinserting into the fields in the evening. Yang and willow branches are generally replaced every 10 days or so; in places where there are few poplar and willow, Feng Yang and corn leaves can be used as substitutes, which also have certain effects.
6. Yellow plate trapping method Aphids, whiteflies and other yellow have a strong tendency to yellow traps can be set to kill adults. The method is: cut the fiberboard or cardboard into a long strip of 10.2 meters, painted orange peel yellow, and then coated with a layer of sticky oil (with a small amount of oil and a small amount of oil on the 10th), 32 to 34 pieces per acre, placed in rows Between the bottom of the yellow plate and the top of the plant, the level is even or slightly higher. When aphids, whitefly, etc. are stuck on the board surface, it is necessary to reapply the sticky oil in time. Generally, it can be re-coated once every 7-10 days.
7. Sorrel killing and killing Pestillus caterpillars, pear borer, apple borer and other pests, like to hide in the cracks in the thick bark winter. Therefore, before they are overwinter, they can rake in sackcloth pieces on the tree trunk to trap them for winter and concentrate on killing them.
At present, the heat metering market commonly used heat table is divided into mechanical heat meter(mechanical heat metering) and ultrasonic heat meter.The mechanical heat meters is consist of temperature sensor, flow sensor and calculator. With the aid of the temperature sensor, The Mechanical Heat Meters measure the inlet water and return water temperature. Flow rate sensor measures the volume rate of the hot water in the tube trough the time difference. The figures recorded will be delivered to integral calculator which calculates the total heat and displays.
The mechanical Heat Meters sensors measures the flow rate through the circles of the wheels. According to the specification, The DN can be ≤40mm and ≥50mm. According to the inner structure, the small size mechanical heat meters can be single jet and multi jet. At present, our mechanical heat meters belong to single jet mechanical heat meters and they have higher request from the water quality. According to the counter of the flow sensor, the mechanical heat meters can be dry and wet type. Our mechanical heat meters are the dry type.Except mechanical heat meters,the plastic heat meter is also a good product.
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