Novel agronomic plant protection device

The utility model discloses a novel agronomic plant protection device which comprises a base, a fixing structure, a dismounting structure and a heating structure, the fixing structure transversely penetrates through the interior of the base, a protective cover is movably connected between the bases, and the two ends and the two sides of the protective cover are fixedly connected with the dismounting structure. And the two sides of one end of the base are fixedly connected with heating structures. According to the plant protection cover, the disassembly of the protection cover is realized through the arrangement of the disassembly and assembly structure, so that the plant protection cover is suitable for plants with different sizes and is protected, and the protection cover can be fixed through the cooperation of the clamping nails on the two sides and in the spring grooves at the two ends and the clamping springs wound on the clamping nails; the clamping nails are fixed into the clamping grooves in the two si