heating system in greenhouse

Poly Tunnel Single Layer UV Protected Polyethylene Plastic Green Houses For Agriculture

Poly Tunnel Single Layer UV Protected Polyethylene Plastic Green Houses For Agriculture Tunnel Plastic Greenhouse Product describe: Tunnel greenhouses generally have no heating or ventilation, and no power equipment. Sunlight heats the inside much hotter than the outside, creating unusual plant growth inside. Ventilation is usually accomplished by opening, closing, and crimping. The standard width is 8m, It is very convenient to allow small tractors to transport vegetables.