Action level, concentration level of airborne eto in or at breathing level. Which is 0.5 ppm
Always decontaminate equipment after working in a field suspected of having the club-root fungus by thorough washing followed by spraying all surfaces with a disinfectant such as Lysol, formaldehyde, etc. Grow cabbage and related crops once every three to five years with crops not in the mustard family.
It is best to grow cabbage in full sun, but the plants can deal with partial sun. Plant in the ground at a depth level that is level with the first set of leaves. Water the seedlings regularly with a watering can or garden hose, applying 1 to 1.5 inches (2.5 to 3.8 cm) every week unless it rains.