1. Agro-gardening ground cover film, including:! a layer reflecting white light and containing a material reflecting white light; and! infrared absorbing layer and containing nanoparticles of infrared absorbing material. ! 2. Agro-gardening ground cover film according to claim 1, in which:! the white light reflecting layer is a film in which white light reflecting material is dispersed; and! an infrared absorbing layer is formed by coating one side of this film with nanoparticles of an infrared absorbing material. ! 3. Agro-gardening soil cover film according to claim 1, in which the material reflecting white light and nanoparticles of the material that absorbs infrared radiation are dispersed in the film, forming a layer that reflects white light, and a layer that absorbs infrared radiation. ! 4. Agro-gardening ground cover film according to claim 1, including:! a white light reflecting layer formed by coating one side of the film with white light reflecting material and an infrared absorbing layer formed by coating the white light reflecting layer with nanoparticles of the infrared absorbing material; or ! a white light reflecting layer formed by coating one side of the film with white light reflecting material; and an infrared absorbing layer formed by coating the other side of the film with nanoparticles of the infrared absorbing material. ! 5. Agro-gardening soil cover film according to any one of claims 1 to 4, in which the material reflecting white light is at least
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