What is the purpose of soil incorporation in herbicide application?

The purpose of soil incorporation in herbicide application is primarily to move pesticide into the soil. When herbicides are incorporated into the soil, they can reach the root zone of targeted plants or weeds, maximizing the effectiveness of the herbicide by ensuring that it is available where it's most needed. This method enhances the absorption of the herbicide by the plant roots and helps to extend its residual activity in the soil, providing better control of weed populations.

Incorporating herbicides into the soil reduces the potential for surface runoff and reduces the herbicide's volatility, which can occur when chemicals remain on the soil surface. This practice is particularly important for managing pre-emergent herbicides that need to be in the soil to prevent the emergence of weed seeds.