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1978年在日本秋田县北部发现红星、陆奥、红金等苹果有严重的早期落果现象。为此,我们通过分析1978年的天气状况和对1979～1985年气象因素与早期落果率的关系进行统计分析,以阐明气象因素对早期落果的影响。 1978年从盛花后第36天发现有严重落果现象,当时的情况是盛花以后31天的最高和最低气温较高,盛花后27天～28天光照时间短,降水量多(与过去十年间平均数相
In 1978, Akita was found in the northern part of Akita prefecture, Japan. There was a serious drop-off phenomenon in apples such as Mutsu and Red Gold. To this end, we analyze the weather conditions in 1978 and the statistical analysis of the relationship between the weather factors and the early drop rate from 1979 to 1985 to clarify the impact of meteorological factors on the early fall. In 1978, 36 days after full blossom, there was a serious fruit drop phenomenon. At that time, the maximum and minimum temperatures of 31 days after blooming were high, and the light time was short between 27 days and 28 days after blooming (with the average of the past ten years Number of phases