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孙吴陨石——生命的摇篮
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作者 耿开元 《内蒙古科技与经济》 2015年第18期42-48,共7页
在目鉴观察中于孙吴陨石上发现多例原始生命体——矿生菌类的活动遗迹,披露了这些珍贵的标本图片并加以阐述,指出:孙吴陨石的特殊性使其成为探寻宇宙生命的首选地外样本。
关键词 宇宙命论 演化变异 矿生菌类 金属结构带破损面 地外样本
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Uptake of Organic Phosphorus by Arbuscular Mycorrhizal Red Clover 被引量:10
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作者 SONGYONGCHUN P.CHRISTIE 《Pedosphere》 SCIE CAS CSCD 2002年第2期103-110,共8页
The capacities of two arbuscular mycorrhizal (AM) fungi, Glomusmosseae and Glomus versiforme, to mineralize added organic P werestudied in a sterilized clacareous soil. Mycorrhizal (inoculated witheither of the AM fun... The capacities of two arbuscular mycorrhizal (AM) fungi, Glomusmosseae and Glomus versiforme, to mineralize added organic P werestudied in a sterilized clacareous soil. Mycorrhizal (inoculated witheither of the AM fungi) and non-mycorrhizal red clover (Trifoliumpratense L.) plants were grown for eight weeks in pots with upperroot, central hyphal and lower soil compartments. The hyphal and soilcompartments received either organic P (as Na-phytte) or inorganic P(as KH_2PO_4) at the rate of 50 mg P kg^-1. No P was added to theroot compartments. 展开更多
关键词 arbuscular mcorrhiza organic P P uptake red clover
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