Plastic gardening culture medium as well as preparation method and application thereof

The invention discloses a plastic gardening culture medium as well as a preparation method and application thereof. The culture medium is prepared from turf, crop straws, edible fungus residues, woodchips, coir pith blocks, perlite and a plastic fiber material. The preparation method comprises the following steps: crushing and uniformly mixing the components, and sterilizing the mixture at high temperature to obtain a sterile mixture; and adjusting the water content of the sterile mixture to a proper state, and then carrying out compression molding and drying to obtain the culture medium. Theculture medium disclosed by the invention has the characteristics of comprehensive nutrition, rich slow-acting nutrients, strong water absorption, strong air permeability, light weight, modularization, strong plasticity and the like, and is not scattered after being formed; and different shapes can be assembled according to requirements, crops can be cultivated without an additional cultivation device, and the plastic gar