[1]
Siregar, R.S. et al. 2023. Improving the chemical quality of sandy-textured soil and shallot (Allium cepa L.) yields using biochar and clay. Jurnal Ilmiah Pertanian. 20, 2 (Jul. 2023), 177–188. DOI:https://doi.org/10.31849/jip.v20i2.13760.