论文部分内容阅读
目前,保护地蔬菜栽培所用的保温材料日趋紧缺,且无防水隔水性能,遇到雨、雪吸水重量加重,操作极不方便.为了寻找出适合保护地蔬菜生产应用的新型覆盖材料,我们自1987年春开始,分别对10余种新型覆盖材料进行了筛选,从中选出几种造价低、来源广、操作简便、防水保温效果好的节能覆盖材料.材料与方法试验于1987～1989年在山东省农业科学院蔬菜研究所拱圆形大棚、单斜面大棚(日光温室)、5号温室和济南市优良种苗繁育场单
At present, the insulation materials used in the protective vegetable growing are increasingly scarce, and there is no waterproof and water-proofing property, and the weight of rain and snow is exacerbated when they are exposed to water and the operation is very inconvenient.In order to find a new type of covering material suitable for vegetable production and application, Starting from the spring of 1987, more than 10 kinds of new covering materials were screened, from which several energy-saving covering materials with low cost, wide source, simple operation and good water-proof and heat-preservation effect were selected.Materials and Methods The experiment was conducted in Shandong Provincial Academy of Agricultural Sciences vegetable arches circular greenhouse, single slope greenhouse (greenhouse), greenhouse No. 5 and Jinan City, excellent seedling breeding single