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不同颜色膜对太阳光波长有不同的透射率,而水稻对不同波长光的吸收又有不同的选择性,因此,不同颜色膜育秧膜内的热效应和光质效应及秧苗的生长就各有差异。为筛选适合水稻育秧的膜色品种,笔者先后应用绿色、乳白、银灰透明、蓝色膜及蓝光转膜对水稻育秧的效果进行了研究。结果表明:以蓝光转膜、蓝色膜在南方早稻多雨、低温条件下育秧为最适。
Different color films have different transmissivity to sunlight wavelength, and rice has different selectivity to different wavelengths of light absorption. Therefore, the thermal effects and light quality effects of different color film seedlings and the growth of seedlings are different. In order to screen the suitable color varieties of rice seedling, the author studied the effect of rice seedling by using green, milky white, silver transparent, blue film and blue transfer film successively. The results showed that the best transplanting of blue light and blue film was in the rainy and low temperature in the southern early rice.