几种不同氮源配比营养液对烟苗生长发育及生理特性的影响
Southwest China Journal of Agricultural Sciences(2016)
Abstract
为了筛选适合郴州烟区烤烟育苗的营养液,研究了几种不同氮源配比营养液对烟苗生长发育及生理特性的影响.结果表明:在3种不同氮源配比的营养液中,硝态氪与铵态氮比为6∶4的育苗营养液更加有利于烟苗根系生长发育和壮苗培育,其培育的烟苗根系活力强,叶绿素含量高,硝酸还原酶活性强,而且能显著增加烟苗生物量和根冠比.
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