The adsorption of 4 herbicides by different types of organic matter and a bentonite clay prometryne herbic simazine herbic linuron herbic pyrazon herbic sphagnum moss Doherty, P.J.; Warren, G.F. Weed Research 9(1): 20-26 1969 0043-1737 https://eurekamag.com/research/027/550/027550536.php