Which method is used to aid the sinking of herbicides in flowing water?

The use of trailing hoses is an effective method for aiding the sinking of herbicides in flowing water. This technique involves the application of herbicides through hoses that are positioned beneath the water surface, allowing for a more targeted delivery of the chemical. By applying herbicides in this manner, it minimizes the likelihood of the chemical being carried away by the current, thereby enhancing its effectiveness as it interacts with the targeted aquatic plants. This method ensures that the herbicide has better penetration and contact with the weeds, increasing the likelihood of successful treatment.

Other methods such as special herbicide formulations, although they may enhance efficacy or persistence, do not specifically target the sinking issue in flowing water as trailing hoses do. Increasing contact time is important for herbicide effectiveness, but without a method to keep the herbicide at the necessary depth in a flowing water scenario, the herbicide may not be properly utilized. Sequential applications can also be part of a comprehensive management strategy but do not directly facilitate the immediate sinking of herbicides in flowing conditions.