1950 जौथायनिफ्राय 1970 जौथायसिम नाइबिजिरनाया वेइहाका आरो जालिसक’नि हादरफोर गेजेर गोजौ-हाफोराव जानाय, गुबैयै गममाय नख’रारि-खालामजानायखौ हमना-लानायाव नोजोर-थिदोंमोन, मानोना बै समाव मिथिजानाय गममायनि गोजामसिन सोदोमस्रियारि थानायफोरखौ बेयाव मोन्दोंमोन।
Research from the 1950s to 1970s originally focused on the hypothesis that maize domestication occurred in the highlands between the states of Oaxaca and Jalisco, because the oldest archaeological remains of maize known at the time were found there.