The key to the long-distance transportation of winter seedlings in the north is to prevent freezing damage to the vegetables.
1. Seedling exercise. Seedlings through the cooling, water control exercise, is conducive to resistance to transportation and storage of low-temperature damage. However, exercise should not be excessive so as not to reduce the quality of seedling cultivation. In addition, the training time should be planned before the nursery to ensure that the seedlings have enough seedling age.
2. Spray protection agent. Before transporting seedlings, it can be sprayed with new high-fat film for 2~3 times to obtain good effects of low temperature resistance.
3. Scientific packing. Seedlings stored during the winter are better packed in bare roots. Surround the packing box with plastic film or other insulation materials to prevent the cold wind from intruding and damaging the seedlings.
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