If all of us were good stewards of our land, we wouldn't need weed laws. But experience has shown that we do need them, and the state legislature has provided them. Here's how they work.
Newbrough, D. R. and Sylwester, E. P.
"Our Iowa Weed Laws,"
Iowa Farm Science: Vol. 6
, Article 6.
Available at: https://lib.dr.iastate.edu/farmscience/vol6/iss3/6