When phosphorus isothermal adsorption curve described with Langumir equation, the adsorption reaction constant K, the max adsorption quantity Xm, and the max buffer capacity all reduced because of the presence of organic acids.

• 石灰性潮土磷等温吸附曲线用Langumir方程式描述时，吸附反应常数K、最大吸附量Xm、最大缓冲容量K×Xm均因有机酸存在而降低。