His first application of the analysis of variance to data analysis was published in 1921, Studies in Crop Variation
hɪz fˈɜːst ˌæplɪkˈeɪʃən ʌvðɪ ɐnˈæləsˌɪs ʌv vˈɛɹiəns tə dˈeɪɾə ɐnˈæləsˌɪs wʌz pˈʌblɪʃt ɪn nˈaɪntiːnhˈʌndɹɪd twˈɛnti wˈʌn, stˈʌdiz ɪn kɹˈɑːp vˌɛɹɪˈeɪʃən