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首页> 外文期刊>Agricultural and Forest Meteorology >Short-term flux chamber experiment to quantify the deposition of gaseous u15N-NHd3 to Calluna vulgaris
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Short-term flux chamber experiment to quantify the deposition of gaseous u15N-NHd3 to Calluna vulgaris

机译：短期通量室实验以量化气态u15N-NHd3在寻常Call属植物中的沉积

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A flux chamber experiment employing u1u5N-NHd3 was run for a period of 15 days to quantify uptake of NHd3 into the component parts of Calluna vulgaris and peat substrate. The results showed that the total N recovered from the vegetation system correlated extremely well with AMANDA deposition measurement, over the whole 15-day period, accounting for all the deposited NHd3. The data showed that NHd3 was taken up into the above ground biomass over the 15 days of the experiment; 75% was found in green shoots and leaves and 11% in brown shoots. The larger uptake by green shoots and leaves was presumably related to the presence of stomata and the cuticular surface area. Only 1% was captured by the peat due to the closed C. vulgaris canopy. There was little translocation of N from deposited NHd3 into the roots and peat. For C. vulgaris it can be calculated that 75% of the above ground deposition was onto the cuticle and only 25% into the stomata.
机译：使用u1u5N-NHd3进行的通量室实验进行了15天，以量化NHd3进入寻常型愈伤组织和泥炭基质组成部分的吸收。结果表明，在整个15天的时间里，从植被系统中回收的总氮与AMANDA沉积物测量值非常相关，占所有沉积物NHd3的比例。数据表明，在实验的15天中，NHd3被吸收到了地上生物量中;在绿芽和叶中发现75％，在棕色芽中发现11％。绿芽和叶片的较大吸收可能与气孔的存在和表皮表面积有关。由于封闭的寻常梭菌冠层，泥炭仅捕获了1％。几乎没有N从沉积的NHd3转运到根和泥炭中。对于寻常型梭状芽胞杆菌，可以计算出上述地面沉积物的75％位于表皮上，仅有25％位于气孔中。

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