黑龙江省拜泉县位于北纬４７°５５’，小兴安岭余脉和松嫩平原之间的过渡地带，地势丘陵起伏。冬季严寒漫长，室外最低气温达到－３９．６℃，与蔬菜生长温度相差悬殊，生产蔬菜温室仅靠大阳能辐射热远远不够，必须靠大量的燃煤增温。目前普通温室一个采暖期须燃煤０．０... Baiquan County, Heilongjiang Province is located at a latitude of 47°55’N. It is a transitional zone between the Xiaoxing’anling Yumai and the Songnen Plain. The terrain is undulating. The cold winter is long and the minimum outdoor temperature reaches -39.6°C, which is very different from the growth temperature of vegetables. It is far from enough to produce solar greenhouses for the vegetable greenhouses, and it must rely on a large amount of coal to increase the temperature. At present, a greenhouse heating period must be coal burning 0.0...