Effects of long-term organic amendments and soil sanitation on weed and nematode populations in pepper and watermelon crops in Florida

► During solarization purple nutsedge percent weed was higher in the non-biosolid plots. ► Purple nutsedge was able to germinate on the north edge of the beds with solarization. ► Methyl bromide produced the most consistent results than solarization and biosolids. ► Weeds can play an important role in the recovery and buildup of nematode populations.