Carbon flow into soil increased due to enhanced plant production under elevated atmospheric CO 2 concentration.Rhizosphere physiological procedures deciding carbon allocation under ground has changed:Root turnover and...Carbon flow into soil increased due to enhanced plant production under elevated atmospheric CO 2 concentration.Rhizosphere physiological procedures deciding carbon allocation under ground has changed:Root turnover and root exudation increased;symboints activity,and soil microorganisms biomass enhanced,etc.But the quantity of carbon flux to soil cannot be determined exactly.展开更多
文摘Carbon flow into soil increased due to enhanced plant production under elevated atmospheric CO 2 concentration.Rhizosphere physiological procedures deciding carbon allocation under ground has changed:Root turnover and root exudation increased;symboints activity,and soil microorganisms biomass enhanced,etc.But the quantity of carbon flux to soil cannot be determined exactly.