Under normal circumstances, seedlings grow in the environment with high air humidity, and the transpiration is weak. Once they are hit by strong winds, the transpiration will suddenly increase, which will destroy the water balance between the original root absorption and transpiration, so that the tender leaves If there is too much water loss, it will not be able to replenish in time and it will be wilting; if the wilting time is too long, the leaves will not be able to recover, and it will eventually dry out in a green manner. This phenomenon is called "drying." Its management strategy is: seedbed ventilation from small to large, do not rush too fast, so that the seedlings have a process of adaptation; there are windy weather, the pressure of the cover is good, to prevent the wind from running.
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