PROBLEM TO BE SOLVED: To provide an agricultural reflecting sheet having a high ultraviolet reflection ratio and high durability, and excellent in workability.SOLUTION: The agricultural reflecting sheet 10 comprises calcium carbonate-foaming drawn polypropylene film having an ultraviolet spectral reflection factor of 60.0-66.0% and specific gravity of 0.65-0.80 as a light reflection layer 11. The sheet may be such that a heat-insulation layer 20 is formed at the lower surface side 13 of the light reflection layer 11, wherein the heat-insulation layer 20 is made of nonwoven fabric 21 or that a reinforcing layer 30 is formed at the lower surface side 22 of the heat insulating layer 20, wherein the reinforcing layer 30 is made of synthetic resin woven fabric 31.COPYRIGHT: (C)2008,JPO&INPIT【課題】紫外線反射率が高いシートであって、耐久性が高く作業性に優れた農業用反射シートを提供する。【解決手段】農業用反射シート10は、紫外線分光反射率60.0~66.0%、比重0.65~0.80の炭酸カルシウム発泡の延伸ポリプロピレンフィルムを光反射層11として有する。また、光反射層11の下面側13に断熱層20を有し、該断熱層20が不織布21よりなるものや、前記断熱層20の下面側22に補強層30を有し、該補強層30が合成樹脂織布31である場合がある。【選択図】図1
