In 1961, Cheng Han-chih, a resident of Tou liu, the poorest part of Yuching, under guidance of the Chiayi Agricultural Research Institute and the Yuching Agricultural Committee, became the first grower of American mangoes in Yuching.
早在民國卅九年，農業單位就已在此推廣種植，但玉井芒果能遠近知名，卻是近廿五年的事。民國五十年，住在玉井鄉最貧窮落後的「斗六仔」（不同於雲林縣的斗六）的鄭罕池，接受嘉義農試所與玉井農會的輔導，成為第一位種愛文芒果的玉井人。