The soil preparation for maintaining the temperature bed should be reasonable, and sufficient soil temperature should be ensured after sowing to the seedling stage. In case of rainy days and insufficient light, measures to increase temperature and keep warm should be taken.
When seedlings are raised in protected areas such as greenhouses or greenhouses, the seedbed is generally not watered when the seedbed is not obviously dry (the topsoil can not be scattered). Water should be watered as little as possible or not; the watering amount should not be excessive when it is obviously dry. Big. The seedbed should be dry rather than wet. If the seedbed is too dry, it can be covered with moist fine soil, which can alleviate the water demand of the seedlings and reduce the air humidity in the seedbed.
Before increasing the light to raise seedlings, it is necessary to choose a place with sufficient light to build a seedbed. This is conducive to the healthy growth and development of seedlings, enhances their disease resistance, and reduces the occurrence or spread of retting during the vegetable seedling stage.
Timely ventilation After the cotyledons are unfolded, choose sunny and warm weather to uncover the cover for ventilation, and evenly spread a layer of fine dry soil into the seedbed, and then cover the cover tightly, which can reduce the humidity of the bed soil and increase the temperature. effect.
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