What materials are needed for slope greening, slope protection greening and indoor balcony guardrail greening of Guiyang Expressway?

Slope greening is a new ecological slope protection method, which can effectively protect the exposed slope. Combined with the traditional engineering slope protection, the slope ecology can be effectively restored. The technical methods of slope greening are divided into: grid beam backfilling and stacking bag greening combined with surface protection mechanism; Greening method of directly spraying greening nutrients by hanging nets. Indoor balcony guardrail greening can use hanging grass-roots boxes as trays to plant plants, increase the greening area, achieve oxygen supply effect, and be beneficial to physical and mental health.