After entering the winter, most of the seedlings go into hibernation, and some seedlings are not tolerant to freezing, and some shoots are not completely lignified. If they are not prone to air-drying (commonly known as pumping). In the event of these conditions, winter pupation storage can avoid dead seedlings.
The time is generally better before the soil is frozen. Early seedlings did not enter the hibernation period, too late to freeze too hard to raise the seedlings, or some seedlings have been frost damage.
The seedlings will be poured into the nursery for 7 to 10 days before the seedlings are planted. When the soil reaches the proper conditions of dryness and wetness, the seedlings will be raised again. This will not only help the seedlings grow better, but also save labor and labor, and the root system of the seedlings will be more complete.
Digging trenches to select a flat place where the leewards are sunny and do not accumulate water. Dig a deep trench in the north-south direction. The width of the trench is generally 2.5 meters. The length of the trench is determined by the number of seedlings. The depth of the trench is determined by the height of the seedlings. Three quarters of the height of digging seedlings is better.
The seedlings that were planted from the day were half-layed in the spur grafts at an angle of 30 to 40 degrees from the ground. They should not be overlapped and put down in the form of whole bales. After laying a layer, they were buried in wet sand or sand. Live, just cover it, then use the same method to put the second and third floors.
After the seedlings have been planted, some sand and soil shall be covered in the uncovered areas. The thickness of the cover soil shall not be too deep. After all the above are completed, some corn stalks shall be used to cover the top of the soil. When the seedlings are planted after the spring of the following year, they shall be Dig with planting.
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