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If the seedling strengthening agent is applied on the soil of rice seedling tray, and then watered, sown and covered with soil, when watering the first two times, it must be watered with micro spray or slowly with ultra-fine porous atomizing nozzle. After the application of seedling strengthening agent, if watering. Be sure to use micro spray to water, or use ultra-fine atomization nozzle to spray water. Water slowly, water for a while, stop for a while.
The growth can only begin when the temperature exceeds 12.5 degrees. The minimum temperature at night is required to be greater than 10 degrees. Below 8 degrees, it may be subject to delayed cooling, and the root system will necrosis if it is lower than 4 degrees for a long time. If the rice seedlings grow in vain and are not strong, the packing is not good. It is also prone to bacterial wilt and bacterial wilt. Therefore, when raising rice seedlings, we must reduce the shed temperature during the day in order to raise strong seedlings and make good packing of rice seedlings.
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