气象学中的最高温度一般是指一定时段内温度的最高值。日最高温度，指的是测量地点当天地表所达到的最高温度，一日内最高温度，一般出现在14-15时，这个时间就是一天最热的时段。
无论整地与否，土壤表层的日最高温度、日最低温度和日平均温呈相似的季节变化规律。
Both the soil mean and extreme surface temperatures displayed similar seasonal change currents whether hathpace soil preparation or not.
中午，高云的增多与中低云的减少增加了地面接收的太阳短波辐射，导致了较高的日最高温度；
The decreasing of low-mid-cloud amounts and increasing of high-cloud amounts at noon increase the solar radiation of reaches the ground and causes a warmer daily maximum temperature.
实验结果表明，有机物覆盖使土壤的日最高温度和日平均温度降低，但却使土壤的日最低温度得以提高。
The experiment results showed that the daily maximum and daily mean value of soil temperature were decreased, the daily minimum of soil temperature was increased in comparison with control.
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