冬季利用温棚繁育夏菜用秧苗,是争取夏菜丰产、早上市的首要措施。但秧苗在冬季要渡过一段寒冷时期,像诸如茄子、辣椒等喜热、喜阳的热带植物秧苗极易受冻而使繁育失败。为了让夏菜秧苗安全过冬,管理上必须设法提高保温性能。可采取的措施有: 首先,要经常保持用于覆盖温棚的草片、草帘干燥。生产实践表明,保温材料一旦被雨水淋湿,其保温 Winter use greenhouse cultivation summer vegetables with seedlings, is to fight summer vegetables high yield, the first measure in the morning. However, seedlings in the winter to spend a period of cold, like, such as eggplant, peppers and other hot, Xiyang tropical plant seedlings vulnerable to freezing and breeding failure. In order to make summer vegetables seedlings safe winter, management must try to improve the insulation properties. The steps that can be taken are as follows: Firstly, keep the grass sheets covering the greenhouse and dry the straw curtains. Production practice shows that once the insulation material is wet with rain, its insulation