| 摘要 |
PURPOSE:To mitigate a pH reaction and prevent the problems caused by accumulation of salts, by including humus in a substrate made of rock wool, glass fiber or synthetic fiber. CONSTITUTION:The titled culture process is carried out by using a culture bed composed of a humus-containing substrate made of rock wool, grass fiber or synthetic fiber. The culture bed is intermittently sprayed or dripped with a culture solution. |
