为了弄清不同颜色(红、绿、蓝及无色)聚氯乙烯薄膜育秧对早稻生长发育的影响,选择有利于早稻生长发育的薄膜色泽,为生产有色薄膜及农业生产应用推广提供依据,我们用邵阳市塑料二厂试制的红、绿、蓝及无色四种薄膜,组织邵阳地区120多个单位,在1973—1975年连年进行试验,初步肯定了有色薄膜在早稻育秧上的作用。一、应用效果(一)秧苗素质。据揭膜前与插秧前两次秧苗素质鉴定,总的趋 In order to understand the different color (red, green, blue and colorless) PVC film seedling growth and development of early rice, select the growth and development of early rice film color, for the production of colored film and agricultural production to promote the application, we In the trial of Shaoyang Plastic Factory No. 2, red, green, blue and colorless four films, more than 120 units in Shaoyang were organized and tested in successive years from 1973 to 1975, which initially affirmed the role of colored film in early rice seedling raising. First, the application effect (A) seedling quality. According to the quality of identification of seedlings two times before the filming and transplanting, the total trend