UNIT FOR GROWING HIGHER AQUATIC PLANT ROOTLESS DUCKWEED

摘要

A unit for growing the higher aquatic plant comprises a cultivator for rootless duckweed. The cultivator is made as a set of overflow trays arranged in a chamber with an incline of one above the other, which are connected with a container for preparing cultural water with the aid of a piping. Said container in turn is connected with the cultivator of an initial culture of the rootless duckweed, a tank for supply water and a tank with biogenic salts. In doing so the outer surface of the bottom of the trays is equipped with lighting lamps and the unit with a lighting control unit. Each of the trays has a partition partially dividing thereof.