Hidden in the ancient Chinese poems magical plant 'thermometer'

Great tang dynasty poet bai juyi's 'chose temple peach blossom' yue: & other; World April wheatgrass, yamadera peach blossom in full bloom. Long hated spring without find place, I do not know to this. ” Carelessness is: according to the lunar calendar in April, spring has given way to summer, outside the mountain flowers have withered, chose and the top of the mountain temple of peach blossom is in full bloom. And you know the hidden magical plant & other; The thermometer & throughout; ? From a biological perspective to the analysis, it is the influence of temperature on biological physiological characteristics, the mountain of throttle late, late flowering. This poem vividly reflects the temperature decrease with the increase of altitude, vertical difference of phenology in the mountains. Usually every 100 meters altitude temperature drops 0. 6 ℃, the lushan mountain chose temple between 1 100 ~ 1 200 meters altitude, it than & quot; Human & quot; — — Jiujiang flat land, an average elevation of 32 meters about 6 ℃ temperature is lower. So. Peach blossom open time to 20 ~ 30 days behind, so the mountain phenological than below phenological postponed for a month or so. So how do we can accurately know the temperature so as to determine the peach blossom open time? At this time we will need a bimetallic thermometer. Stainless steel probe directly inserted into the soil, Pointers can directly show the soil temperature. In this way, we won't miss the beautiful peach blossom, also won't open for the peach blossom when coping.