BA29097: Very High Rate Meter Cartridge (blue)This blue roller is for rates from 22. 7 120. 2 kg ha (50 265 lb acre), or seeds such as barley and oats with beards. This is also used for large seeds such as garbanzo beans (in non SectionCommand system applications) or very high fertilizer rates. There are six flutes, which are very deep and widely spaced. NOTE: When metering high rates through a seeding tool with three to four secondary manifolds, it may be necessary to either add secondary