Crop alteration has been practiced by humankind for thousands of years, since the beginning of civilization.
kɹˈɑːp ˌɔltɚɹˈeɪʃən hˈæzbiːn pɹˈæktɪst baɪ hjˈuːmɐŋkˌaɪnd fɔːɹ θˈaʊzəndz ʌv jˈɪɹz, sˈɪns ðə bɪɡˈɪnɪŋ ʌv sˌɪvɪlᵻzˈeɪʃən.