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taizy - Model tz - What causes the uneven seedling substrate emergence rate directly?
The function of the nursery substrate is similar to that of the soil, so the plant can better adapt to the environment and grow rapidly. However, in the process of using the substrate, problems such as uneven seedling will inevitably occur. Therefore, Xiaobian will introduce in detail the causes of some common uneven seedling substrates. Below, follow Taizy nursery machine Understand clearly.After sowing, the soil thickness should be uniform, the seedbed should be covered with plastic film, the vegetable seedling substrate should be covered with plastic film, and the humidity of the seedbed should be kept uniform.
2. Seedbed seed
When the seedling substrate is uneven or shows no signs of emergence, the seeds on the seedbed should be checked. If the root tip of the seed is yellow and rotten, it means that the seed cannot germinate normally. Carefully find out the cause, improve the environment of the seedbed, and immediately replant the seedbed. If the root tip of the germ is still white, the seedling substrate should still germinate normally, Strengthen temperature and humidity management to promote seed germination.
3. Uneven temperature
When seedlings emerge, the large seedlings can be moved to a lower temperature in the front of the greenhouse to make the seedlings grow neatly and uniformly.
4. Seedbed ground temperature
It is recommended to use ground hotline or fire tunnel to warm seedlings. When laying the ground hotline, the wiring distance between the front of the greenhouse is 3 × 4cm, and the distance between the rear lines of the greenhouse is 7 ~ 8cm. The Yuncheng seedling medium is suitable to make the bed temperature uniform.
After sowing, the soil thickness should be uniform, the seedbed should be covered with plastic film, the vegetable seedling substrate should be covered with plastic film, and the humidity of the seedbed should be kept uniform.
2. Seedbed seed
When the seedling substrate is uneven or shows no signs of emergence, the seeds on the seedbed should be checked. If the root tip of the seed is yellow and rotten, it means that the seed cannot germinate normally. Carefully find out the cause, improve the environment of the seedbed, and immediately replant the seedbed. If the root tip of the germ is still white, the seedling substrate should still germinate normally, Strengthen temperature and humidity management to promote seed germination.
3. Uneven temperature
When seedlings emerge, the large seedlings can be moved to a lower temperature in the front of the greenhouse to make the seedlings grow neatly and uniformly.
4. Seedbed ground temperature
It is recommended to use ground hotline or fire tunnel to warm seedlings. When laying the ground hotline, the wiring distance between the front of the greenhouse is 3 × 4cm, and the distance between the rear lines of the greenhouse is 7 ~ 8cm. The Yuncheng seedling medium is suitable to make the bed temperature uniform.