Tomato seedling management points
Many diseases start from the seedling stage. In particular, tomato bacterial wilt, stem rot, and seedling stage prevention are well-prevented, and regular prevention after planting will not cause a large area of ​​disease. In order to obtain greater economic benefits, we should pay attention to the seedling management of tomatoes. (1) sowing to Qimiao. The focus is on insulation and moisturizing. Closed seedbeds, greenhouses, small sheds are not ventilated. The temperature in the booth is preferably 25-30°C. After the emergence of the seedlings, the mulching film is opened and the dry bed soil is smashed to prevent knots and cracks in the bed panels and reduce the temperature. Regardless of whether it is cloudy, rainy or sunny, the insulation grass curtain on the small arch shed should be covered by the cover as early as possible to increase the light. This is also a principle in the entire seedling management process. (2) Qi Miao to sub-seedling. The center of this period is cooling and ventilation to prevent leggy, inverted seedlings and frost damage. The temperature is preferably 22-25°C, and the night temperature is 16-20°C. When the temperature is low, a double-layered film can be used to cover the grass at the small arches at night. This period can also be used to spread finely-divided dry bed soil on a seedbed, 0.5 cm thick each time, with good results. It is required to promptly remove injured seedlings and deformed seedlings. If the seedlings are too weak, fertilizers containing leaf amino acids containing fertilizers may be used for dressing. (3) seedlings. Sub-seedlings are called seedlings in Wuhan. Can be divided into seedlings 1-2 times, usually 1 can be. Sub-seedlings were carried out in 1-2 true leaves and 3-4 true leaves, respectively, from mid-February to early March, or the first seedlings were advanced to 11-12 months. Sub-seedling work should choose sunny, wind-free weather, or cold tail warm weather, at a high temperature at noon. 2 to 3 days before seedling separation, the temperature of the greenhouse should be lowered by 3-5°C, exercise at low temperature, and watered once on the day before or after the seedlings in order to facilitate seedling and less damage to the root system. The first seedling spacing is 15 centimeters, the plant spacing is about 8 centimeters, and the second time the seedling spacing is 15 centimeters. When nutrition is used to divide the seedlings, the diameter of the nutrition bowl is about 8 cm. Requirements with the seedlings, with sub-seedlings, immediately after the seedlings covered plastic small sheds and greenhouses to maintain soil and air humidity. Seedlings are moisturized within 2-3 days of seedlings, and when the center leaves of the seedlings begin to grow, they are then dehumidified and dehumidified. (4) When the tomato seedlings are planted, root products can be used to treat and prevent bacterial wilt, which can not only effectively sterilize but also increase root rejuvenation and improve root self-nutrition ability. The effect is very good. Hyaluronic Acid Dermal Filler,Hyaluronic Acid Fillers,Hyaluronic Acid Injections Face,Hyaluronic Injections Face Qingdao Beautiful Skin Biotechnology Co., Ltd , https://www.hafilleresthetic.com