Rayyana, Rayyana, Ahmad Raksun, and M. Yamin. 2023. “The Effect of NPK Fertilizer and Tofu Dregs Organic Fertilizer on The Growth of Land Kale Plants (Ipomea Reptans Poir)”. Jurnal Biologi Tropis 23 (4):12-18. https://doi.org/10.29303/jbt.v23i4.5503.