The Influence Of Various Dosages of Compost Solid Plus (Kosplus) On Improving The Soil Chemistry Ultisol In Kabupaten Kuantan Singingi. Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan, [S. l.], v. 15, n. 1, p. 8–19, 2017. Disponível em: https://www.journals.unihaz.ac.id/index.php/agroqua/article/view/76. Acesso em: 13 feb. 2026.