承德市偏桥子镇，自1992年以来，连续多年利用温室生产空档试种水稻，取得好的效果。他们的作法是，6月1日插秧，9月25日收获，收后马上腾地，翻晒畦子，仍不影响秋季冬茬蔬菜生产，667m2（亩，下同）产水稻可达700公斤左右。其主要好处是，一、降低生产成本可节省化肥70％，一 Chengde City, the town of Bridges, since 1992, for many years the use of greenhouse production of free trial of rice, and achieved good results. Their practice is that planting transplanting on June 1, harvesting on September 25, and harvesting immediately after harvesting will not affect the winter vegetable production in autumn. The yield of 667m2 paddy rice will reach about 700kg . The main advantage is that, one, to reduce production costs can save 70% of fertilizer, one