The adsorption and desorption behaviors of a herbicide on soil is one of the important factors governing bio-availability and persistency of the herbicide, and play an important part in predicting its transport in soil and aquifer.

• 摘要除草剂在土壤上的吸附和解吸行为是支配该除草剂的环境中的生物有效性和持久性的重要因素之一，同时对于预测除草剂在土壤和潜层水中的运动也是有重要作用。