The effect of different N fertilizer forms on plant iron nutrition and the role of iron in plant N metabolism were studied under nutrient condition.

水培条件下研究了不同形态氮素对植物铁素营养的影响，以及铁对植物氮素代谢的影响。

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Plant absorption was not the main mechanism in reduction of both N and P, due to less plant biomass on wetland buffer zone.

缓冲带内的湿地植物量较小，决定了植物吸收并非氮磷去除的主要机制。

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The Pavlovsk Experimental Station is part of the N.I.Vavilov Institute of Plant Industry.

VOA: special.2010.08.24

Tynnodd yr aelod Llafur Christine Chapman sylw at y gostyngiad yn nifer y plant sy'n chwarae tu fas a galwodd ar y llywodraeth i wneud mwy i wneud i rieni deimlo ei bod hi'n ddiogel i adael eu plant i fynd allan i chwarae.

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