NABU, M. and Neonbeni, E. 2025. Effect of biochar dosage and chiken manure on the growth and yield of spinach plants (amaranthus tricolor l.). Savana Cendana. 10, 1 (Jul. 2025), 1-7. DOI:https://doi.org/https://doi.org/10.32938/sc.v10i1.1080.