Why do you want a high temperature shack?
1 Prevention of pests and diseases: High temperature shacks have benefits in preventing and treating pests and diseases. The shed that combines high temperature and drug fumigation has a good bactericidal effect on the fungal pathogens attached to the shed. At the same time, it is also one of the many integrated disease prevention and control. For example, blight, root rot, etc., high temperature suffocating shed can have a huge lethal effect on the pathogen of blight. In addition to disease, it can also kill the root-knot nematode, and can also inhibit some insects such as spider mites, thrips, and mites on the weeds.
2 Benefits to the soil: Combined with fertilization, it can deepen the decomposition of soil organic matter, improve soil structure, reduce compaction, and reduce and delay the degree of salinization. Therefore, before the shack is placed, manure, soil and fertilizer are applied, and the decomposition of organic matter can be strengthened by the shack, that is, the fertilizer effect is exerted, and the rooting is avoided; the amount of organic fertilizer and straw is increased, and a certain amount is scientifically applied. The fermenting agent can achieve the functions of raising land and fertilizing.
3 help for the use of fertilizer: can improve fertilizer efficiency and improve drug efficiency. High temperature suffocation is not only beneficial to the post-fermentation of organic fertilizer, but also can improve the efficacy of pesticides and shorten the residual period of pesticides.
Specific operation of the shack
Before suffocating the shed, the first place is to fertilize the land, and the ground should be leveled and fine. After the whole is good, the ridges are made according to the crop condition, so that there is space between the mulch and the ground, which helps to raise the ground temperature. The shed is also filled with dam irrigation. It is necessary to cover the film. It is necessary to close the greenhouse vents, cover the greenhouse film, prevent rainwater from entering, and strictly maintain the tightness of the greenhouse. Before sealing the greenhouse, spray bactericidal drugs and insecticides on the surface of the shed to kill the germs and pests hiding in the wall.
Precautions for high temperature shack
1 Cover the mulch: even if it is an old shed film, it should be covered. Without covering the mulch, the surface temperature can not be effectively raised to the temperature we need, and the shed effect will be greatly reduced.
2 Synchronous fight: Before spraying, you should spray the ground first. The fight and the film should be carried out at the same time, so as to prevent the medicine from drying out after the film is finished.
3 Do not hit the ground: Landing will usually turn harmful substances such as germs on the surface below 10 cm below the surface. When we started to swell, this depth of temperature was not enough to kill the bacteria, but it would stimulate the physiological system of self-protection of the bacteria and begin to breed a large number of offspring. Therefore, hitting the ground before the shack is actually making germs.
4 Add alcohol: When spraying, add 100 ml of alcohol to 30 kg of water per barrel. Alcohol decomposes at high temperatures, which consumes oxygen under the membrane and can accelerate the death of germs.
5 After the shack: After half a month of shacking, open the mulch, open the upper and lower vents, and release the toxic gas in time to avoid causing poisonous gas damage; after two or three days of release, a large amount of water should be poured into the ground, and after the irrigation is completed, repeat The membrane closes the vent and then shackles for half a month. Why are you boring for another half a month? Because the first half of the shack in the first half of the month we killed the bacteria at 5 cm below the surface, the deeper bacteria will be killed by the second half of the month. After the second stage of the shack is also completed, it is also necessary to put poison gas, water, and then cover the mulch, close the vent, and double the amount of insecticidal bactericidal aerosol, in high temperature, the efficacy will be Increase by a dozen times. All parts of the greenhouse's back wall, shed film, column beams, slings and steel wire should be disinfected.
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