Dyah Yuniwati, E. ., & Mita Lestari, A. M. L. (2021). The Treatment combination of corn cob biochar and bio land organic fertilizer as soil amendment in kale plant (brassica oleraceae var. acephala L.). AMCA Journal of Science and Technology, 1(2), 25–30. https://doi.org/10.51773/ajst.v1i2.102