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.
While the cabbage seeds can be sown directly into the gardenâs soil, youâll get better results from seedlings started indoors under lights or purchased as transplants. Plant the seeds indoors about four to six weeks before you intend to set them out into the garden.