《Table 1 Changes of the air temperature at different growth stages》

《Table 1 Changes of the air temperature at different growth stages》   提示:宽带有限、当前游客访问压缩模式
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《Environmental Factors for Different Growth Stages of Small Watermelons in Spring Greenhouse in Beijing》


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The fruiting stage(April 10 to May 30):the blooming of the second female flower of the main tendril to the ripeness of watermelon(first crop watermelon).At the fruiting stage,the average daily air temperature of the demonstration greenhouse was in the range of 15.98-32.06℃and the average air temperature was23.22℃;the maximum daily air temperature was in the range of21.67-50.69℃,the average value was 37.94℃;the minimum daily air temperature was in the range of 5.39-20.06℃,the average value was 12.27℃.