Cultivation techniques of winter celery mulching

Celery hi cool and weak light. After the film is covered, the light is weakened, which is beneficial to the growth of celery. Not only is the virus disease light, but also it grows young; celery is relatively hardy, but due to the low temperature during the winter season, the growth is slow or basically stops growing, and sometimes it also suffers from freezing injury, resulting in bad rot. handle. After the floating, the temperature of the soil and the temperature in the field are increased to a certain extent, so that it can resist freezing injury and promote the growth of celery. Celery growth density, but also easy to cover the floating film.
Floating membrane coverage includes:
Film cover. With ordinary mulch, such as the film used for early rice breeding, the shed film removed from the shed can be used. The film must be clean so as not to affect the light transmission performance. Placing the mulch on the plants, the membrane edge is flush with the rim, ie, the top of the rim is not covered, exposing around, which is conducive to automatic temperature regulation and prevents the membrane from overheating and burning seedlings. The four corners of the film are fastened with strong ropes, and the other end is respectively tied with stones or red bricks to prevent the wind from blowing the film away. By adjusting the length of the rope, the membrane surface is slightly shaped like a turtle to facilitate drainage. If water or snow collects on the membrane, remove it in time. Under normal circumstances does not remove the film. If you need to top-dressing, you can open the film, drench fertilizer solution. After top-dressing, the celery plants are dried on the water and evaporated to prevent excessive temperature in the field. With the growth of celery, the membrane follows the float, and attention should be paid to adjusting the length of the rope or the position of the pressing brick, and it is generally necessary to remove the membrane in mid-February.

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