Suswati, Denah, Ulfia Fadilla, Eka Widiyawati Wijaya Kusuma, and Muhammad Nuriman. 2025. “The Role of Boiler Ash and Chicken Manure on Macro Nutrient Availability and Growth of Maize (Zea Mays L.) on Peat Soil”. Jurnal Biologi Tropis 25 (4b):294-304. https://doi.org/10.29303/jbt.v25i4b.10621.