1960년대 중반 이후 농촌에 동력 분무기와 경운기가 보급되어 영농 기계화가 추진되기 시작했고, 1970년대에는 다수확 품종으로 통일벼가 권장되었다.
After the mid-1960s, power sprayers and cultivators were supplied to farming villages to promote farming mechanization, and in the 1970s, Tongil rice was recommended as a high-yield variety.