Non-woven fabric seedling raising device suitable for castanopsis sclerophylla trees and seedling raising method thereof

The invention provides a non-woven fabric seedling raising device suitable for castanopsis sclerophylla trees. The non-woven fabric seedling raising device comprises a non-woven fabric bag and a mounting cylinder for mounting the non-woven fabric bag, the upper end of the non-woven fabric bag is gradually closed, and a rubber ring wraps the interior of the opening edge of a bag opening at the upper end of the non-woven fabric bag; the outer surface of the mounting cylinder is provided with a conical surface, the small end of the conical surface faces upwards, a groove opening of a groove in the conical surface faces the inclined lower portion of the outer side of the mounting cylinder, and the size of the groove opening of the groove can allow the opening edge, provided with the rubber ring, of the bag opening to be turned outwards, then be squeezed into the groove and completely enter the groove so as to be hooped in the groove; and the non-woven fabric seedling raising device furthercomprises a bag opening