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近年来,苹果花期冻害给果农带来了很大的经济损失,因此,很多果农拒绝进行适期疏花,而单单采取随后的疏果,这对科学管园产生了消极影响。经过两年的
In recent years, frost-blossoming apple blossoms have caused great economic losses to growers. Therefore, many fruit growers refuse to carry out appropriate thinning and simply take subsequent fruit thinning, which has a negative impact on the science park. After two years