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地表覆盖对日光温室黄瓜生长发育及生理特性的影响
Authors
戴全厚
梁银丽
+4 more
熊亚梅
王巨媛
翟继元
翟胜
Publication date
1 January 2007
Publisher
Abstract
试验研究了秸秆覆盖、地膜覆盖和秸秆加膜覆盖对结瓜期日光温室嫁接和未嫁接黄瓜生长发育与生理特性的影响。结果表明,地表覆盖可有效促进植株生长,有利于雌花分化、提高坐瓜率、降低畸形瓜比例、缩短成瓜时间以及增加单瓜重、早期产量和总产量,其中以秸秆加膜覆盖效果最明显,秸秆覆盖和地膜覆盖次之,嫁接效果优于未嫁接。秸秆覆盖、地膜覆盖和秸秆加膜覆盖均可不同程度提高黄瓜净光合速率、光能利用效率和水分利用效率,且以秸秆加膜覆盖效果最好,嫁接优于未嫁接。秸秆覆盖与秸秆加膜覆盖均可显著增加黄瓜叶片叶绿素含量,增强黄瓜根系活力,而地膜覆盖却使叶绿素含量低于对照,根系活力在结瓜后期低于秸秆覆盖与秸秆加膜覆盖处理,但仍高于对照
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018