RAHMANDHIAS, Deris Trian; RACHMAWATI, Diah. Pengaruh Asam Humat terhadap Produktivitas dan Serapan Nitrogen pada Tanaman Kangkung Darat (Ipomoea reptans Poir.). Jurnal Ilmu Pertanian Indonesia, [S. l.], v. 25, n. 2, 2020. DOI: 10.18343/jipi.25.2.318. Disponível em: https://journal.ipb.ac.id/JIPI/article/view/26457. Acesso em: 25 dec. 2025.