Method for safely and efficiently cultivating dendrobium officinale through winters

Abstract

The invention discloses a method for safely and efficiently cultivating dendrobium officinale through winters. The method includes 1), creating cultivation environments, to be more specific, selecting glass greenhouses or plastic film greenhouses, erecting frames to cultivate the dendrobium officinale or cultivating the dendrobium officinale in fields; 2), laying cultivation media and cultivating the dendrobium officinale by the aid of the mixed media comprising pine barks and rubbles; 3), cultivating and planting the dendrobium officinale, and to be more specific, planting the dendrobium officinale in a group-planting mode; 4), applying fertilizers and water to the dendrobium officinale, to be more specific, applying the low-nitrogen compound liquid fertilizers with the concentration of 1.0-3.0g/L once every half a month during fertilization, starting to primarily water the dendrobium officinale on the third day after the dendrobium officinale is planted, performing freeze-tolerance hardening on the dendrobium officinale before the winters, properly reducing the humidity before the winters, and spraying water on the dendrobium officinale once in every period from a week to half a month. The lengths of the glass greenhouses or the plastic film greenhouses are shorter than or equal to 40m, and the distances among the greenhouses are farther than or equal to 2m. Each group of dendrobium officinale includes 3-5 dendrobium officinale plants, the row spacing is 20cm, the group spacing is 10cm, and the density of the dendrobium officinale is 100000 plants per 667m<2>. Owing to the mode, the method has the advantages that the problem of freezing injury can be solved from the aspects of cultivation facilities and cultivation technologies, accordingly, the yield of the winter dendrobium officinale can be increased, and the quality of the winter dendrobium officinale can be improved.

Description

technical field [0001] The invention relates to a high-efficiency cultivation method for safe overwintering of dendrobium officinale. Background technique [0002] Dendrobium was first recorded in "Shen Nong's Materia Medica" and listed as the top grade: "Sweet and flat. In the main injury, it removes numbness, lowers qi, nourishes five viscera and fatigue, wins weakness, and strengthens yin. Long-term use can thicken the stomach, lighten the body, Prolong life." Modern pharmacological studies have proved that it has the effects of enhancing immunity, eliminating tumors, and inhibiting cancer, and has significant curative effects on throat diseases, gastrointestinal diseases, cataracts, cardiovascular diseases, diabetes, and tumors. In modern society, environmental pollution, full of competition, rich life, serious aging, billions of victims of smog, hundreds of millions of patients with pharyngitis, tracheitis, lung cancer, 130 million diabetics, more than 16 million Teach...

AI Technical Summary

Problems solved by technology

[0003] Most varieties of Dendrobium candidum can only withstand low temperature of -2°C,