NH4 adsorbing-desorbing equilibrium time and reaction rate, equilibrium adsorbing-desorbing capacity and adsorbing equilibrium constants changed with the soil clay content and CEC.

• 研究表明：（1）NH4＋吸附、解吸平衡时间及反应速率，平衡时的吸附、解吸量及吸附平衡常数均随土壤粘粒和CEC不同而变化；