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有些瓜农为了使西瓜早上市，卖个好价钱，当瓜长到六七成熟时，常用乙稀利催红素之类的植物激素催熟。实践证明，西瓜不能用激素催熟，否则既有害于广大消费者又有害于瓜农自己。这是因为：第一，激素催熟的西瓜食用价值大为降低，并含有一定的毒性，对人体健康有一定损害。比
Some melon farmers in order to make the morning watermelon, selling a good price, when the melons grow to mature sixty-seven, commonly used phyto-phytochrome ripening hormone ripening. Practice has proved that watermelon can not be ripe with hormones, or harmful both to consumers and melon farmers themselves. This is because: First, the hormone value of watermelon ripening greatly reduce the value, and contains some toxicity, have some damage to human health. ratio