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.
Yes...It is cabbage! Rich in phyto-nutrient anti-oxidants, this cool season leafy vegetable belongs to the Brassica family, a broad family of common vegetables that also include brussels sprouts, cauliflower, bok choy, kale, and broccoli. It is one of the widely cultivated crops around the world.