dˈɪɡɪŋ kˈɔːɹmz ˈækts æz ɐ fˈɔːɹm ʌv tˈɪlɪdʒ, wˌɪtʃ wɪl ɪŋkɹˈiːs ðə sˈaɪz ʌvðə ɡˈæðɚɹɪŋ tɹˈækt, ɛɹˈeɪt ðə sˈɔɪl, lˈoʊɚ wˈiːd kˌɑːmpətˈɪʃən, ænd pɹɪpˈɛɹ ðə sˈiːdbɛd tʊ ɪŋkɹˈiːs sˈiːd dʒˌɜːmᵻnˈeɪʃən ɹˈeɪts.
Digging corms acts as a form of tillage, which will increase the size of the gathering tract, aerate the soil, lower weed competition, and prepare the seedbed to increase seed germination rates.