The 24 Solar Terms- Vernal equinox
【The vernal equinox】
"Vernal equinox" is the meaning of the day and night, the solar term value of the second half of the Gregorian calendar in March, the vernal equinox this day, the sun directly on the equator, day and night, from this day, the day is longer than the night, the ground to accept the solar radiation heat is increasing.
【Agricultural Greenhouse suggestion】
This period is the peak of overwintering cucumber production in the greenhouse.
Although the temperature is rising, it is still abnormal, which brings a lot of inconvenience to agricultural activities.
During this period, special attention should be paid to the phenomenon of "cold in spring", cold damage of low temperature and braising seedling caused by high temperature in nursery shed at noon.
At this stage, we should pay attention to the management of temperature and temperature difference between day and night in order to cultivate strong seedlings and flower bud differentiation.
【Poem】
Vernal equinox wind less rain, land thawing spring tide, rice field leveling early sun, winter wheat green water pouring!
春分风多雨水少,土地解冻起春潮,稻田平整早翻晒,冬麦返青把水浇!