The Hatch Act was driven by farmers' interest in knowing the constituents of early artificial fertilizer.
ðə hˈætʃ ˈækt wʌz dɹˈɪvən baɪ fˈɑːɹmɚz ˈɪntɹɛst ɪn nˈoʊɪŋ ðə kənstˈɪtʃuːənts ʌv ˈɜːli ˌɑːɹɾɪfˈɪʃəl fˈɜːɾəlˌaɪzɚ.