pˌiəɹɪˈɑːdɪk dˈɪɡɪŋ ænd θˈɪnɪŋ ʌvðə kˈɔːɹmz ɔːɹ sˈɛpɚɹˌeɪɾɪŋ ðə kˈɔːɹmlɪts, ænd ɹᵻplˈæntɪŋ ðˌɛm mˌeɪhɐv ɛnhˈænst plˈænt nˈʌmbɚz ænd dˈɛnsᵻɾiz.
Periodic digging and thinning of the corms or separating the cormlets, and replanting them may have enhanced plant numbers and densities.