Prameswari, R.A. , Nurchayati, Y. and Setiari, N. (2025) “The Impact of Biochar and FeCl3 Administration on Fe Toxicity Symptoms and Productivity of Bok Choy Mustard Plants (Brassica rapa L.) Nauli Variety”, Jurnal Ilmu Pertanian Indonesia, 30(3), pp. 447–453. doi:10.18343/jipi.30.3.447.