| 摘要 |
PURPOSE:To produce a large quantity of plant-culture soil, by pouring hydroponic culture liquid on small grains of pebbles, sand, foamed stone, pumice, etc., thereby generating a vegetable like moss. CONSTITUTION:Pebbles, sand, pumice, etc., are charged into a clear vessel. A hydroponic culture liquid is poured into the vessel until the pebbles, etc., are completely immersed in the liquid and the vessel is placed in the sun. |
