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中文摘要：
以松粳9号和垦稻12号为试材，采用L9（34）正交表设计，研究了夜间补光与不同红蓝光质比例、不同光强和不同补光时间对水稻秧苗生长的影响。结果表明，夜间补光对水稻秧苗生长影响显著，两品种对夜间补光条件的反应表现出很强的特异性；光质比例、光强和补光时间对水稻幼苗生长的影响不同，对水稻地上部和地下部生长的影响也存在差异，光质比例和补光时间对壮苗指数的影响更大，光质比例对根冠比的影响较大。
英文摘要：
The rice varieties Songjing light at night ,ratio of red to blue light（ by adopting L9 （34） orthogonal design. 9 and Kendao 12 were used as materials to study the effect of supplemental R/B）, light intensity and supplementary lighting time on rice seedling growth The results revealed that there was a significant impact of supplemental light- ing at night on the growth of rice seedlings. High specificity was detected between two varieties under different sup- plemental light conditions at night. Light on growth of rice seedlings and different pact on rice healthy seedling index quality, light intensity and supplementary lighting time had different impact parts of rice. Light quality and supplemental lighting time had agreater im- other factors. Light quality produced greater impact on root cap ratio.
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