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中文摘要：
以品种宁粳28为材料，研究不同土壤水分下限对膜下滴灌旱作水稻组织相对含水率、叶绿素及光合作用的影响。结果表明，土壤水分下限为100NFC时，膜下滴灌水稻组织相对含水率、叶绿素及光合能力最高，土壤水分下限为80％FC时次之。
英文摘要：
Ningjing 28 was taken as the material to study the influences of different soil moisture content lower limits on relative water content, chlorophyll and photosynthesis of dry farming rice under drip irriga- tion with plastic film. The results showed that the relative water content, chlorophyll and photosynthesis of rice with the soil moisture content lower limit of 100%FC with drip irrigation under plastic film were the highest, and those came second with the soil moisture content lower limit of 80~FC.
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