"A Lawns Worst Enemy"
Common Species Of Weeds: Dandelions, Crabgrass, Prickly Lettuce, Cockle bur
Damage Weeds Cause: Reduction of crop yield, weeds take water, nutrients, light away from crops.
Methods To Control Weeds: Chemicals you can spray on weeds, tilling up your land, pulling weeds by hand.
Below is a picture of how weeds can significantly damage crops. The picture below the corn photo is an example of how people kill weeds.