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干热风是一种高温、低湿和较大风速的综合天气现象,在这样的气象条件下能引起土壤和作物植株强烈的蒸发、蒸腾。当植株因强烈蒸腾而引起体内水分收支失去平衡时,就要发生青枯死亡的现象。
Dry and hot wind is a combination of high temperature, low humidity and large wind speed weather phenomenon, in such meteorological conditions can cause strong soil and crop plants evaporate. When the plant due to strong transpiration and cause the body’s water balance out of balance, the phenomenon of withering death will occur.