The article reports on the success of sweet potato harvests in Krajan Hamlet, Lumajang Regency, Indonesia, where the yield has doubled to 40 tons per hectare due to the cultivation of superior varieties developed by the Agricultural Research and Development Agency. These varieties, including Beta 1, Beta 2, Antin 2, and Antin 3, are rich in beta carotene and anthocyanins, and are resistant to pests, a significant improvement over the older varieties. The harvest was celebrated with the Deputy Regent of Lumajang, and the article highlights the innovative Plastic Mulch technology used in cultivation, which increases crop yields and quality, and the use of biopesticides and organic pest control methods.