Most weed killers are applied to the soil weeks or months before planting takes place. As the weed population increases, weed killing chemicals become less effective over time. Although weed killers become less effective over time, they can remain in the soil for a significant amount of time. This leads many people to ask, how long does annual weed killer remain in the soil?
Read MoreWeed killing chemicals were previously praised for overcoming agricultural difficulties and shortages. Pesticides were known as the technological answer to combating weeds, insects and other pests that impeded a healthy crop. Herbicides increased crop yields by weeding out unwanted plants and keeping the soil fertile and thus leading