In addition to the fast-acting nutrients such as nitrogen, phosphorus and potassium, the biogas slurry also contains various amino acids, vitamins, proteins, gibberellins, auxins, sugars, nucleic acids and antibiotics. A substance that inhibits bacteria.
The first is the role of biogas slurry. Nitrogen, phosphorus and potassium in biogas slurry are essential nutrients for vegetable growth. During the growth of vegetables, biogas slurry topdressing or foliar application can not only make vegetables grow vigorously, but also Insect and disease prevention. The biogas slurry can be applied outside the root of the vegetable, and the effect is better than that of the chemical fertilizer, and can be carried out throughout the growing season of the vegetable, and the vegetable has an obvious effect of increasing yield. The biogas slurry can be applied alone or in combination with chemical fertilizers, pesticides, growth agents, and the like. Spraying biogas slurry on the leaf surface can regulate the growth and metabolism of vegetables, supplement nutrition, promote growth balance and enhance photosynthesis ability;
The second is the bactericidal effect. The biogas slurry contains gibberellin, phthalic acid and vitamin B1 in the acid and phytohormone, which can effectively control the growth of pathogens and enhance the disease resistance of vegetables;
The third is to resist pests and diseases. The ammonia, ammonium salts and antibiotics in the biogas slurry can prevent pests from laying eggs on vegetables and inhibit the growth of eggs, thus reducing pests. Practice has proved that biogas slurry is known as “biopesticide†for controlling pests and diseases, without pollution, residue and drug resistance.
The formal freight elevators are those that can push cattle or even forklift. The speed is generally 0.5m/s, and the load is larger, including 2t, 3t, 4t and 5t. Due to the need to enter the forklift truck, the floor sill is of reinforced type. The rear wall of the car should preferably be equipped with a crash plate, and the car bottom should be steel plate. The load of the freight elevator is very large, and the height and width of the door opening are generally made to be consistent with the height and width of the car as much as possible. Then the call button panel in the car is on the side car wall.
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