Hartono, Arief, Lilik Tri Indriyati, Putri Tria Santari, and Neng Elin Novianti. 2019. “Chemical Properties Changes and Releasing Pattern of Ammonium and Nitrate on Ultisol Darmaga Fertilized by Fishpond Sediment-Based Pellet Fertilizer: Perubahan Sifat Kimia Dan Pola Pelepasan Amonium Dan Nitrat Pada Ultisol Darmaga Yang Diberi Pupuk Pelet Berbahan Dasar Lumpur Kolam Ikan”. Jurnal Ilmu Tanah Dan Lingkungan 21 (2), 78-86. https://doi.org/10.29244/jitl.21.2.78-86.