Which of the following herbicides are applied to the soil at the time of seeding?

Answer: Option B

Residual herbicide is the herbicides that are applied to the soil at the time of seeding.
A residual herbicide, also known as a long-lasting weed killer, is a type of herbicide that gives longer-lasting weed control of germinating.
Herbicides, also commonly known as weedkillers, are substances used to control undesired plants, also known as weeds.