为查明不同水生植物吸收地表水中氮磷能力的差异及其机理,采用模拟沟渠试验和盆栽试验,研究了8种水生植物地表水中氮磷吸收能力的差异,并选择氮磷吸收能力差异较大的水生植物品种,进一步探讨了根系生理特性及底泥微生物量变化。结果表明:种植水生植物后沟渠水中氮磷浓度明显减少,供试8种水生植物中以海寿花、狐尾藻、珍珠梅、茭白、再力花的生物量大,养分吸收量多,沟渠水中养分减少也相对明显;种植水生植物后相对于不种植物的沟渠水中养分残留减少比例分别为,总氮22.4%~44.0%、铵态氮24.5%~36.8%、硝态氮13.6%
李旭霞 +5 more
doaj
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[Isolation, purification and immunomodulatory activity of polysaccharide from <i>Lonicera caerulea</i> L. var. <i>edulis</i> Turcz. ex Herder]. [PDF]
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