Plastic film or web material for agricultural or horticultural applications; plastic film or web material for protecting agricultural fodder; plastic film or web material for making silage; plastic film or material for use as a ground cover material; plastic film or web material for use in plant or seedling housing structures including shade houses; plastic bags and sacks included in this class including such bags or sacks for making silage; plastic film, web or sheet material for wrapping bales of plant matter, including cut grass forage, silage making materials, hay, straw and like materials, adhesive films and tapes included in this class