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根据国内外有关资料介绍,水稻用浅蓝色聚乙烯塑料薄膜覆盖苗床育出的秧苗,比用无色薄膜覆盖的种苗健壮,主要原因是蓝色膜能透过蓝、紫光,促进水稻秧苗的生长发育。据此,近年来,我们在河北省稻作所等单位进行试验研究,采用厚度0.06毫米,幅宽1米的蓝色聚乙烯吹塑薄膜覆盖水稻苗床试验研究,用秧田面积50亩和移栽本田1000余亩。其效果显著。
According to the relevant information at home and abroad, rice seedlings planted with light blue polyethylene plastic film covered seedbed are stronger than seedlings covered with colorless thin film, the main reason is that the blue film can penetrate the blue and violet light to promote rice seedling Growth and development. Therefore, in recent years, we conducted experiments in units such as the Institute of Rice in Hebei Province. Using a blue polyethylene blown film with a thickness of 0.06 mm and a width of 1 m to cover the rice seedbed, the experiment was conducted in an area of 50 mu with transplanting Honda 1000 acres. Its effect is remarkable.