Check the listing for details. Farm Plastic Supply - Weed Control 6 Mil Black/White Polyethylene Sheeting. Color: Black, Condition: New. Listed at 68.99 USD. Weed Control 6 mil Black/White Plastic SheetingOrganic weed control and weed suppression is becoming a top priority for growers. Skip the dangerous pesticides by using Farm Plastic Supply's virgin resin weed control plastic sheeting for killing weeds without harmful chemicals. An all-natural alternative to chemical pesticides and herbicides, weed control plastic sheeting kills all weeds and plants covered by the material.Used correctly, our black/white UV-treated weed control polyethylene sheeting creates a warm and moist environment that mitigates weeds. As the soil warms, more weeds begin to come out of their dormancy. When seeds begin to germinate, they sprout into this dark suffocating environment, void of sunlight or air movement resulting in the death of the plant. The remaining plants residues are then consumed by worms and other organisms involved in decomposition.Specs:Black/White6mil ThicknessUV ResistantWaterproof3 Layer Film - High Tensile StrengthLeave the greenhouse ground cover film on as long as necessary so that when removed, the surface weeds should be destroyed, and your soil should look clean. With our natural white and black plastic cover for weed control, this occultation technique greatly reduces the amount of work necessary to prepare an area for planting.