Research Article
Citric Acid Promotes the Mobilization of Phosphorus under the Lower Concentration of Low Molecular Weight Organic Acids in Acidic Forest Soil
Figure 1
The variations of P fraction after addition of low molecular weight organic acids (oxalic acid, citric acid, and malic acid) and glucose compared with deionized water at different temperatures ((a) 4°C; (b) 14°C; (c) 24°C).