Localisation of mineral uptake by roots using Sr isotopes.

Dambrine E; Loubet M; Vega JA; Lissarague A

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Localisation of mineral uptake by roots using Sr isotopes.

机译：使用Sr同位素对根部吸收矿物质的定位。

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Studies at 3 sites near Pontevedra, NW Spain, showed that the 87Sr:86Sr isotopic ratio of plant-available Sr increased with soil depth. Comparison of isotopic ratios of tree leaves and roots at different depths showed that most of the Sr accumulation in Eucalyptus globulus and Pinus pinaster growing on shallow and poor soils in the rainy climate originated from the upper soil layers. As Ca and Sr behave similarly in the soil-plant system, this conclusion can be applied to Ca. This superficial uptake is attributed to the low availability of Sr and Ca in the soil as well as to the shortness of the drought period compared with the length of the growing period. This technique appears to offer a promising way of studying relative root distributions insoils and plant competition for nutrients.

机译：在西班牙西北部庞特维德拉附近的3个地点进行的研究表明，植物可利用的锶的87Sr：86Sr同位素比随土壤深度的增加而增加。比较不同深度的树叶和根部的同位素比率，结果表明，在雨季的浅层和贫瘠土壤上生长的桉树和松树的大部分Sr积累源自上层土壤层。由于钙和锶在土壤-植物系统中的行为相似，因此该结论可以应用于钙。这种表面上的吸收归因于土壤中Sr和Ca的利用率低，以及干旱期与生长期相比短。该技术似乎为研究土壤相对根系分布和植物对养分的竞争提供了一种有前途的方法。

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《Plant and Soil》 |1997年第1期|共4页
作者
Dambrine E; Loubet M; Vega JA; Lissarague A;
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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
nutrient uptake; roots; isotopes; methodology; calcium; strontium; leaves; uptake; soil depth; eucalyptus globulus; pinus pinaster; Spain;

机译：营养吸收;根;同位素;方法;钙;锶;叶;吸收;土壤深度;球状桉;松树松;西班牙;

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1. Localisation of mineral uptake by roots using Sr isotopes. [J] . Dambrine E, Loubet M, Vega JA, Plant and Soil . 1997,第1期

机译：使用Sr同位素对根部吸收矿物质的定位。
2. Analyzing relationships among water uptake patterns, rootlet biomass distribution and soil water content profile in a subalpine shrubland using water isotopes. [J] . Liu YuHong, Xu Zhen, Duffy R., European Journal of Soil Biology . 2011,第6期

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4. Clay Minerals Control the Uptake of Radiocaesium by Plant Roots in the Rhizosphere of Forest Soils [C] . Bruno Delvaux, Nathalie Kruyts, Emmanuel Maes International congress of radiation research . 2000

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5. Physical and chemical constraints on mineralization in the Eskay Creek deposit, northwestern British Columbia: Evidence from petrography, mineral chemistry, and sulfur isotopes. [D] . Roth, Tina. 2003

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6. Growth and Nutrient Uptake by Barley (Hordeum vulgare L. cv Herta): Studies Using an N-(2-Hydroxyethyl)ethylenedinitrilotriacetic Acid-Buffered Nutrient Solution Technique (II. Role of Zinc in the Uptake and Root Leakage of Mineral Nutrients). [O] . R. M. Welch, W. A. Norvell 1993

机译：大麦（Hordeum vulgare L.cv Herta）的生长和营养吸收：使用N-（2-羟乙基）亚乙基二三氟三乙酸缓冲营养液技术的研究（II。锌在矿质营养吸收和根漏中的作用）。
7. Growth and Nutrient Uptake by Barley (Hordeum vulgare L. cv Herta): Studies Using an N-(2-Hydroxyethyl)ethylenedinitrilotriacetic Acid-Buffered Nutrient Solution Technique (II. Role of Zinc in the Uptake and Root Leakage of Mineral Nutrients). [O] . Welch, R. M., Norvell, W. A. 1993

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8. Indications on continued nitrogen uptake in Scots pine roots after clear-felling [R] . Albrektson, A. , Valinger, E. , Leijon, B. , 1997

机译：清除后苏格兰松根中持续摄取氮的迹象

Localisation of mineral uptake by roots using Sr isotopes.

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