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中文摘要：
以黄瓜为试验材料,采用膜下暗灌供水,研究控制不同灌溉下限对温室黄瓜自根苗、单根嫁接苗和双根嫁接苗根系分布、产量、品质及水分利用效率的影响。结果表明,嫁接和降低灌水下限,均使黄瓜根系总长度增加;不同处理对黄瓜品质的影响差异不明显;在灌溉下限为85%时,与自根苗相比,双根嫁接苗可以显著增加产量17%,并提高水分利用效率17%。
英文摘要：
With the cucumber as the experimental materials, the small area trial was conducted to study the effect of different control of irrigation lower limit on root distribution, yield, quality, and water use efficiency of self-rooted cucumber, single-rooted grafting cucumber and double-rooted grafting cucumber under plastic film mulch irrigation in the greenhouse. The results showed that grafting and reducing irrigation lower limit increased total root length, there was no significant difference in the effect of different treatments on quality of cucumber, and under the 85 % irrigation lower limit, the yield and water use effi- ciency of double-rooted grafting cucumber improved respectively 17% and 17% compared with self-rooted cucumber.
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