To provide a covering material for agriculture excellent in excoriation resistance.SOLUTION: There is provided a ventilation structure for agriculture for opening and closing a ventilation hole of a facility for crop cultivation by winding and unwinding a covering material for agriculture extended along a framework of the facility for crop cultivation, the covering material for agriculture comprises: a film-shaped or sheet-shaped base material formed of a transparent material which is mainly formed of polyolefin resin； and a reinforcement coating sheet which is formed of a transparent material which is mainly formed of a non-yellowing type urethane resin and which is formed on a surface facing the framework on the base material.SELECTED DRAWING: None【課題】耐擦傷性に優れた農業用被覆材を提供する。【解決手段】作物栽培用施設の骨組みに沿って展張された農業用被覆材の巻き取り及び巻き戻しにより、作物栽培用施設の換気口を開閉させる農業用換気構造であって、農業用被覆材は、ポリオレフィン系樹脂を主成分とした透明な材料からなるフィルム状又はシート状の基材と、基材において骨組みと対向する表面に形成される無黄変タイプのウレタン系樹脂を主成分とした透明な材料からなる補強被膜と、を備える。【選択図】なし
