Culture medium as well as preparation method and application thereof

The invention relates to the technical field of plant cultivation, and discloses a cultivation medium as well as preparation and application thereof. The culture medium comprises the following components: a base material and a water-retaining agent, the mass ratio of the base material to the water-retaining agent is 10: (1-5); the water-retaining agent comprises water-absorbent resin. The culture medium provided by the invention has the advantages of simple components, low cost and good water-retaining property, and can meet the requirements of crops on the water-retaining property of the culture medium. According to the cultivation method for the epiphytes, the epiphytes can be planted in different seasons, in the shade environment and in the sunny environment, after the planting units are formed, the maintenance method is simple, watering is only needed to be conducted once every 50-70 days in spring and summer, watering is only needed to be conducted once every 20-40 days in autumn and winter, the maintena