Elizabet Pakpahan T, Hidayatullah T, Romulo Siagian D, Mardiana E. The Usage Of Soil Renewal Materials To Improve The Chemical Properties To Increase The Shallot Yield From Tumbers. JPPT [Internet]. 2024Mar.31 [cited 2024Nov.21];24(1):17-2. Available from: https://jurnal.polinela.ac.id/jppt/article/view/3068