Add punctuation to the following sentence: Propagation seed seed that is produced in midMay in the open ground to a permanent place followed by decimation by 3550 cm between plants or in April in a greenhouse where the seedlings appear after 45 days in the open field by 1220 days
Propagation: seed, seed that is produced in mid-May in the open ground to a permanent place, followed by decimation by 35-50 cm between plants, or in April in a greenhouse where the seedlings appear after 4-5 days (in the open field by 12-20 days).