“The Effect of Coating Materials in a Slow-Release Urea-Organic Fertilizer Formula on Changes in Soil Chemical Properties and Nitrogen Availability: Pengaruh Bahan Pembungkus Formula Pupuk Lepas Lambat Urea-Organik Terhadap Perubahan Sifat Kimia Tanah dan Ketersediaan Hara Nitrogen ”, nabatia, vol. 13, no. 2, pp. 116–125, Dec. 2025, doi: 10.21070/nabatia.v5i2.1677.