The black cotton soil planting bricks independently developed by GAEDENBEE are mainly made of peat matrix and plant fibers, and the plant roots grow as if on the ground. Black sponge soil is solidified and formed, which will not disperse after long-term soaking in water. It is easy to construct and has strong durability, solving the problem of difficult handling of loose soil planting; Black cotton soil has the functions of water retention and drainage, and is irrigated regularly with drip irrigation system, making daily maintenance simple and convenient.