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Under mulching,deep seeding reduced soil salinity more than shallow seeding. Air temperature inside the under-mulch greenhouse was 1.9℃ higher than outside at a daily average basis.
结果表明,与露地直播相比,浅播覆膜和深播覆膜都能显著提高幼苗期的地温,降低表层土壤的含盐量,深播覆膜比浅播覆膜的抑盐效果更好;深播覆膜后膜下温室内的日平均气温比外部气温提高了1.9℃。
参考来源 - 盐碱地深播覆膜的生态效应及对棉花成苗和产量的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
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