Prairie Soils & Crops Journal Management of Weeds within Tillage Systems: What have we learned from Prairie Weed Surveys?

their weeds regardless of tillage system used. Differences in weed populations among tillage systems are as much a function of other management decisions as they are to differences in tillage practices. For example, more use of herbicides in the no-till systems would be expected to contribute to lower weed densities in these systems. Conversely, producers using no-till systems tended to include a higher diversity of crops in their rotations, leading to a larger presence of volunteer crops. Higher numbers of narrow-leaved hawk’s-beard and cleavers was noted for no-till