These systems are of interest as they sometimes retain a level of integration with natural ecological systems greater than that of industrial agriculture, which may be more sustainable than some modern agricultural systems.
ðiːz sˈɪstəmz ɑːɹ ʌv ˈɪntɹɛst æz ðeɪ sˈʌmtaɪmz ɹᵻtˈeɪn ɐ lˈɛvəl ʌv ˌɪntᵻɡɹˈeɪʃən wɪð nˈætʃɚɹəl ˌɛkəlˈɑːdʒɪkəl sˈɪstəmz ɡɹˈeɪɾɚ ðɐn ðæt ʌv ɪndˈʌstɹɪəl ˈæɡɹɪkˌʌltʃɚ, wˌɪtʃ mˈeɪ biː mˈoːɹ səstˈeɪnəbəl ðɐn sˌʌm mˈɑːdɚn ˌæɡɹɪkˈʌltʃɚɹəl sˈɪstəmz.