Research Article

Citric Acid Promotes the Mobilization of Phosphorus under the Lower Concentration of Low Molecular Weight Organic Acids in Acidic Forest Soil

Figure 3

The kinetics of inorganic P (Pi, a) and organic P (Po, b) release by water, oxalic acid, citric acid, and malic acid at 100 mmol kg-1 soil from the acidic forest soils. DW: deionized water.
(a)
(b)