What to do if frost damage occurs during nursery
1 to improve the means of raising seedlings, the use of artificial temperature control seedlings, such as electric hotbed nursery, factory nursery and so on.
2 warm antifreeze. During early spring nursery, pay attention to listening to the weather forecast, observe weather changes, and take cold and warm measures in time; at the time of cold wave invasion and low temperature, cover the original cover tightly, press it well, and if necessary, add a layer of grasshoppers. Armpit hair and other things, and keep it as dry as possible to prevent it from being wetted by rain and snow.
3 Strengthen management, increase lighting properly, and promote photosynthesis and nutrient accumulation are important measures to improve the cold resistance of seedlings. In addition, proper control of watering, reasonable application of phosphorus, potash, etc., can also improve the cold resistance of seedlings.
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