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Article
Effect of elevated CO2 on carbon and nitrogen distribution within a tree (Castanea sativa Mill.) — soil system
Two-year-old sweet chestnut trees were grown outside in normal or double CO2 atmospheric concentration. In spring and in autumn of two growing seasons, a six day labelling pulse of14C labelled CO2 was used to fol...
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Article
Modifications of the carbon and nitrogen allocations in the plant (Triticum aestivum L.) soil system in response to increased atmospheric CO2 concentration
The aim of this work was to examine the response of wheat plants to a doubling of the atmospheric CO2 concentration on: (1) carbon and nitrogen partitioning in the plant; (2) carbon release by the roots; and (3) ...
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Article
Effet des racines vivantes sur la decomposition d’une litiere racinaire marquee au14C
Du blé est marqué au14C sur sol dans des pots de culture depuis la germination jusqu’à la maturité dans une enceinte à teneur de CO2 et14CO2. La répartition du14C entre les parties aériennes, les racines et le so...
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Article
Method for simultaneous measurement of total and radioactive carbon in soils, soil extracts and plant materials
A rapid procedure is proposed for simultaneous measurement of total and radioactive carbon in soils, soil extracts and plant materials. The procedure involves dry or wet combustion of the sample, total carbon ...