1934
DOI: 10.1104/pp.9.2.237
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The Soil as Direct Source of Carbon Dioxide for Ordinary Plants

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Cited by 20 publications
(5 citation statements)
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“…The element most limiting for boreal forest plants is nitrogen (Vitousek and Howarth 1991 ), while carbon, the main constituent of living matter, is readily available from CO 2 (Livingston and Beall 1934 ). The deciduous upsurge after forest clearing (an assart effect, Kimmins 2003 ; Odum 1969 ) coincides with a rapid, short-term elevation of soil nitrate (Kreutzweiser et al 2008 ; Mattson 1980 ).…”
Section: Discussionmentioning
confidence: 99%
“…The element most limiting for boreal forest plants is nitrogen (Vitousek and Howarth 1991 ), while carbon, the main constituent of living matter, is readily available from CO 2 (Livingston and Beall 1934 ). The deciduous upsurge after forest clearing (an assart effect, Kimmins 2003 ; Odum 1969 ) coincides with a rapid, short-term elevation of soil nitrate (Kreutzweiser et al 2008 ; Mattson 1980 ).…”
Section: Discussionmentioning
confidence: 99%
“…Effects of high CO2 concentration.s in the soil on plant growth have been studied since the beginning of this century (for an early review see Livingston & Beall 1934). Soil CO2 was expected to be utilized as a source of inotganic carbon for photosynthesis.…”
Section: Soil Co2 Concentrations and Plant Growthmentioning
confidence: 99%
“…As can be seen in Figure 5a, while this led to a reasonable estimation of the aboveground plant 14 C concentration (AGP), SSPAM 14 C grossly underestimated the belowground plant 14 C concentrations (BGP). Increasing the proportion of plant C obtained directly from the roots to 10% (as proposed by Livingston and Beall 1934) improves the model fit (Figure 5b), but there is still a significant underestimation as compared the experimental data. Other factors that might affect the calculated BGP 14 C concentration, such as the translocation rate between the AGP and BGP compartments and the respiration rate of the BGP, were considered in additional sensitivity calculations but had a lesser impact than the assumed amount of root uptake of carbon.…”
Section: Resultsmentioning
confidence: 88%