AGOESDY, Riza; HANUM, Hamidah; RAUF, Abdul; HARAHAP, Fitra Syawal. STATUS HARA FOSFOR DAN KALIUM DI LAHAN SAWAH DI KECAMATAN TANJUNG MORAWA KABUPATEN DELI SERDANG. Jurnal Tanah dan Sumberdaya Lahan, Malang, Indonesia, v. 6, n. 2, p. 1387–1390, 2019. DOI: 10.21776/ub.jtsl.2019.006.2.19. Disponível em: https://jtsl.ub.ac.id/index.php/jtsl/article/view/261. Acesso em: 21 jun. 2025.