An organic gardening tool that improves plant growth and excludes pests. Floating row cover (FRC) is a white, light-weight, non-woven fabric made from spun-bonded polyester or polypropylene. It has a “gauze-like” appearance and resembles interfacing material used in sewing. Vegetable farmers and gardeners drape it over and enclose plants — individuals, rows, or groups — and secure it to the ground with sod pins, boards, bricks, sand bags, rocks, or soil. Read on:
https://extension.umd.edu/hgic/topics/floating-row-cover