HARYANTO, A.; MUDITA, N. A.; WALUYO, sri; TRIYONO, S. The Influence of Rubberwood Biochar Size on the Effectiveness of Using Urea Fertilizer in the Cultivation of Pakcoy (Brassica chinensis L.). Jurnal Agricultural Biosystem Engineering, [S. l.], v. 2, n. 4, p. 515–523, 2023. DOI: 10.23960/jabe.v2i4.8394. Disponível em: https://jurnal.fp.unila.ac.id/index.php/ABE/article/view/8394. Acesso em: 1 nov. 2025.