That s why weeds thrive in bare spots and why one of the best ways to combat weeds is to thicken your lawn and choke them out. The added compaction from the wheels can be beneficial in controlled traffic systems. Under reduced tillage systems such as chisel plowing, approximately 80 to 90 percent of the weed seeds are distributed in the top four inches.  Source: <a href=https://wcdnyc.org/the-ten-best-online-seed-banks-that-ship-to-the-usa-legally-in-2023/>https://wcdnyc.org/the-ten-best-online-seed-banks-that-ship-to-the-usa-legally-in-2023/</a>