Costs decrease with increasing scale of farm units, such as making fields larger; this means removing hedges, ditches and other areas of habitat.
kˈɔsts dˈiːkɹiːs wɪð ɪŋkɹˈiːsɪŋ skˈeɪl ʌv fˈɑːɹm jˈuːnɪts, sˈʌtʃ ɐz mˌeɪkɪŋ fˈiːldz lˈɑːɹdʒɚ; ðɪs mˈiːnz ɹᵻmˈuːvɪŋ hˈɛdʒᵻz, dˈɪtʃᵻz ænd ˈʌðɚɹ ˈɛɹiəz ʌv hˈæbɪtˌæt.