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1981年,我们在北纬38.8°,东经112.5°,海拔800米左右的山西省原平农校,对玉米、高粱、马铃薯、甜菜及小白菜、菠菜、茴子白、茄子、辣椒等多种作物和蔬菜进行了对比试验。结果表明,地膜覆盖均比对照出苗早,发育快(表1、照片1),生长旺盛(照片2),千粒重和产量提高(表2)。
In 1981, we cultivated a variety of crops such as corn, sorghum, potatoes, beets and Chinese cabbage, spinach, fennel, eggplant and peppers at the Yuanping School of Agriculture in Shanxi Province, 38.8 ° north latitude, 112.5 ° longitude and 800 meters above sea level Vegetables were compared with the test. The results showed that the plastic film mulching was earlier and faster than the control (Table 1, Photo 1), vigorous growth (Photo 2), 1000-grain weight and yield (Table 2).