立春是一年节气的开始。此时大部分地区气候仍然寒冷,温度偏低,仍有降雪,时有大风天气,但气温日渐回升,光照时数逐渐延长,所以,立春节气可以称为春天的前奏,从气象角度还属于冬季,未正式进入春天。俗话说:“一年之计在于春。”这一时期正是设施保护地春茬蔬菜育苗、整地、定植以及日光温室越冬茬瓜果类蔬菜管理最忙的时候。 Spring is the beginning of a year of solar terms. At this moment, the climate in most areas is still cold and the temperature is still low. There is still snowfall and sometimes windy weather, but the temperature is gradually rising and the hours of light are gradually lengthened. Therefore, the spring solar term can be called a spring prelude and from the meteorological point of winter , Did not officially enter the spring. As the saying goes: “The plan of a year is in spring.” This is the period when vegetables, nursery plants, soil preparation and colonization of crops during spring crops and the winter vegetables and vegetables in the greenhouse are in winter.