In the spring when there is a cloudy day, the heat in the greenhouse has been reduced, and when it encounters cold current and strong cooling, it is prone to frost damage. In this case, the measures taken are: the inside of the small shed is insulated, and the small shed can also be covered. Temporary warming can also be done indoors, but the chimney must be installed to prevent damage. Chunyin suddenly clear: Even cloudy days without exposing grasshoppers, once sunny, uncover the grass after the light is very strong, the temperature swells, strawberry plants water transpiration is accelerated, and the root absorbs water slowly, so that the leaves will appear wilt. If no measures are taken, permanent wilting will occur. When the wilting is found, immediately lay down the grasshopper and spray a new high-fat film. After the leaves are stretched and stretched, roll them up again. When the wilting occurs again, let it fall again. Repeating several times, the leaves will recover quickly and the wilting time will be short until No longer wilting. When the wilting is heavy, it can also spray a new high-fat lipid film, which can effectively prevent the ground water from evaporating, the seedling body water from transpiration, isolation of pests and diseases, shorten the seedling period, quickly adapt to the new environment, and grow healthily.
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