Chinese cabbage buried method and technology
This method significantly reduces labor and material costs, making it an efficient and economical choice. It is most effective when performed in well-ventilated sand, which helps regulate temperature and prevent rot. The optimal time for burial is relatively late in the season, allowing the plants to mature before being covered. Typically, north-south trenching is recommended to ensure even exposure to sunlight and better air circulation.
In Beijing, the standard ditch width is about 1 meter, with a depth similar to that of a mature cabbage. When burying the plants, it's important to position them correctly: the roots should face downward, and the head should be pointing upward. The temperature during burial is mainly controlled by the thickness of the covering soil. Initially, there’s no need to cover the plants completely; instead, wait until the weather starts to turn colder before adding more soil.
The ideal soil cover thickness is reached when the top leaves of the cabbage are just beginning to show signs of light frost after the soil is leveled. This ensures the plants are protected without being damaged. Among the varieties, the best choice is the high-quality cabbage from Bacheng, known for its resilience and excellent storage qualities. By following these steps, farmers can successfully preserve their crops through the colder months while maintaining quality and yield.
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