Asten - early maturing, Dutch cultivar Chinese cabbage . Variety for cultivation in the open field . Matures 55 - 60 days after planting . In the variety"Asten" low-growing plants . Kochan half open, a mass of 1 - 1.5 kg . The leaves of cabbage yellow - green . Yields up to 11 kg / m 2 . It is resistant to necrosis, arrows later .