在正常生产管理条件下，利用温室智能监控系统，自动监测记录冬、春两季日光温室内外空气温度、光照强度，温室内空气湿度、土壤温度，研究冬、春两季日光温室环境因子日变化差异及环境因子间的相互关系差异。结果表明，土壤温度与温室内外光照及温室内湿度的相关性，春季显著大于冬季；温室内湿度与温室内、外光照强度、温室内外温度以及温室外温度与温室的相关性，春季显著小于冬季。土壤温度与温室内、外温度的关联程度，春季温室内温度强于温室外温度，冬季温室外温度强于温室内温度。温室外温度与温室内、外光照、土壤温度的关联程度，春季温室内、外光照强于土壤温度，而冬季土壤温度强于温室内、外光照。冬季温室内湿度显著高于春季，日变化幅度显著小于春季。春季最低温室内要高于冬季最低温度10 ℃以上，日变化幅度明显小于冬季；春季温室内、外最大光照强度是冬季的2倍，且春季光照时间长。春季室外温度平均高于冬季12 ℃以上，春季温室内土壤温度始终要高于冬季10 ℃以上。

In order to study on mutative differences of environment factors between winter and spring， the greenhouse intelligent control system was used to record and store the data of indoor soil temperature， humidity， indoor and outdoor temperature， light. The result shows that the correlation in spring is significantly greater than in winter between soil temperature and humidity， indoor and outdoor light； the correlation in spring is significantly less than in winter between humidity and indoor and outdoor temperature， light， and between outdoor temperature and indoor temperature. The degree of association of indoor temperature in spring is greater than outdoor temperature between soil temperature and indoor temperature， outdoor temperature， winter is the opposite； the degree of association of indoor and outdoor light in spring is greater than soil temperature between outdoor temperature and outdoor light， indoor light， soil temperature， winter is the opposite. Humidity in winter is significantly higher than in spring， and the variation amplitude is significantly less than in the spring； the lowest indoor temperature in spring is higher than in winter above 10 ℃， Change is much smaller than in winter； the indoor and outdoor light in spring is twice in winter； the average outdoor temperature in spring is higher than in winter above 12 ℃ and soil temperature is higher above 10 ℃ all the time.

S625

国家引智项目“日光温室蔬菜优质高效品种引进与轻便化栽培技术创新”(G20156200089)；酒泉市科技重大专项“节能日光温室智能控制及精准栽培技术研究与示范”(2015—2017)。