EFFECTS OF ENHANCED ATMOSPHERIC CO2 AND NUTRIENT SUPPLY ON THE QUALITY AND SUBSEQUENT DECOMPOSITION OF FINE ROOTS OF BETULA PENDULA ROTH AND PICEA SITCHENSIS (BONG) CARR

Cotrufo ME; Ineson P

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EFFECTS OF ENHANCED ATMOSPHERIC CO2 AND NUTRIENT SUPPLY ON THE QUALITY AND SUBSEQUENT DECOMPOSITION OF FINE ROOTS OF BETULA PENDULA ROTH AND PICEA SITCHENSIS (BONG) CARR

机译：大气CO2和养分供应量的增加对白桦叶肉和毛细支气管茎细根质量及随后分解的影响

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Fine root litter derived from birch (Betula pendula Roth.) and Sitka spruce (Picea sitchensis (Bong.) Carr.) plants grown under two CO2 atmospheric concentrations (350 ppm and 600 ppm) and two nutrient regimes was used for decomposition studies in laboratory microcosms. Although there were interactions between litter type, CO2/fertiliser treatments and decomposition rates, in general, an increase in the C/N ratio of the root tissue was observed for roots of both species grown under elevated CO2 in unfertilized soil. Both weight loss and respiration of decomposing birch roots were significantly reduced in materials derived from enriched CO2, whilst the decomposition of spruce roots showed no such effect.

机译：在实验室用两种二氧化碳浓度（350 ppm和600 ppm）和两种养分模式生长的桦树（Betula pendula Roth。）和云杉（Picea sitchensis（Bong。）Carr。）植物得到的细根凋落物用于分解研究。微观世界。尽管凋落物类型，CO2 /肥料处理和分解速率之间存在相互作用，但总体上，在未施肥的土壤中，在升高的CO2下生长的两种物种的根部，其根组织的C / N比均增加。在富含二氧化碳的材料中，桦木根的失重和呼吸作用均显着降低，而云杉根的分解则没有这种作用。

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《Plant and Soil》 |1995年第2期|共11页
作者
Cotrufo ME; Ineson P;
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正文语种 eng
中图分类植物生态学和植物地理学;
关键词
C ratio; Decomposition rates; Elevated co2; Microcosms; N; Elevated carbon dioxide; Organic matter; Nitrogen; Forest; Pine; Enrichment; Growth; Fertilization; Ecosystems; Responses;

机译：C / n比;分解率;CO2升高;微观;N;二氧化碳升高;有机物;氮;森林;松树;富集;生长;施肥;生态系统;响应;

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1. EFFECTS OF ENHANCED ATMOSPHERIC CO2 AND NUTRIENT SUPPLY ON THE QUALITY AND SUBSEQUENT DECOMPOSITION OF FINE ROOTS OF BETULA PENDULA ROTH AND PICEA SITCHENSIS (BONG) CARR [J] . Cotrufo ME, Ineson P Plant and Soil . 1995,第2期

机译：大气CO2和养分供应量的增加对白桦叶肉和毛细支气管茎细根质量及随后分解的影响
2. Rising Atmospheric CO2 Concentration Partially Masks the Negative Effects of Elevated O3 in Silver Birch (Betula pendula Roth) [J] . Elina Vapaavuori Jarmo K. Holopainen Toini Holopainen Riitta Julkunen-Tiitto Seija Kaakinen Anne Kasurinen Sari Kontunen-Soppela Katri Kostiainen Elina Oksanen Petri Peltonen Johanna Riikonen and Ingmar Tulva AMBIO: A Journal of the Human Environment . 2009,第8期

机译：大气中CO2浓度的上升部分掩盖了白桦树（Betula pendula Roth）中O3升高的负面影响
3. The effect of soil cultivation methods on rooting depth of young Sitka spruce (Picea sitchensis (Bong.) Carr.) trees on wet mineral soils in Ireland [J] . Nieuwenhuis M, Wills J, Gardiner J, Forestry . 2003,第4期

机译：土壤耕作方法对爱尔兰湿粮土壤上的小锡特卡云杉（Picea sitchensis（Bong。）Carr。）树生根深度的影响
4. Effects of pruning on growth of western hemlock (Tsuga heterophylla (Raf.) Sarg.) and Sitka spruce (Picea sitchensis (Bong.) Carr.) in southeast Alaska. [D] . Petruncio, Markian Demetrius. 1994

机译：修剪对阿拉斯加东南部西部铁杉（Tsuga heterophylla（Raf。）Sarg。）和Sitka云杉（Picea sitchensis（Bong。）Carr。）生长的影响。
5. Effects of elevated CO2 on fine root biomass are reduced by aridity but enhanced by soil nitrogen: A global assessment [O] . Juan Piñeiro, Raúl Ochoa-Hueso, Manuel Delgado-Baquerizo, -1

机译：一项全球评估：干旱降低了二氧化碳浓度升高对细根生物量的影响但土壤氮却增强了二氧化碳的浓度：
6. Effects of elevated CO2, water and nutrients on Picea sitchensis (Bong.) Carr. seedlings. [O] . Townend J. 1995

机译：二氧化碳，水分和养分含量升高对云杉云杉的影响。幼苗。

EFFECTS OF ENHANCED ATMOSPHERIC CO2 AND NUTRIENT SUPPLY ON THE QUALITY AND SUBSEQUENT DECOMPOSITION OF FINE ROOTS OF BETULA PENDULA ROTH AND PICEA SITCHENSIS (BONG) CARR

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