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Optimizing Nitrogen-Based Chemical Fertilizer Efficiency Through Microbial Organic Fertilizer (MOF) Integration for Sustainable Oryza sativa Productivity in Rainfed Lowland Fields Lestari, Bibit Lilik; Karyanti, Karyanti; Salma, Selly; Hariyanto, Dwika Nano
Glosains: Jurnal Sains Global Indonesia Vol. 7 No. 2 (2026): Glosains: Jurnal Sains Global Indonesia
Publisher : Sekolah Tinggi Agama Islam Kuningan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59784/glosains.v7i2.701

Abstract

Background: This study determines the best combination of nitrogen fertilizers and MOF (Microbial Organic Fertilizer) to sustainably increase rice productivity in rainfed lowland regions while minimizing N loss and improving soil health. Excessive application of nitrogen fertilizer contributes to soil degradation; however, MOF can help enhance nutrient uptake efficiency and reduce chemical dependency in rainfed agricultural areas due to its derivation from agricultural waste materials. Objective: To identify the nitrogen fertilization and MOF combination that maximizes Oryza sativa yield in rainfed lowlands while reducing chemical fertilizer use. Specifically, this research aimed to determine the ideal combination ratio of NPK Phonska and mycorrhizae that yields the highest productivity while maintaining an adequate Nitrogen Use Efficiency (NUE). Method: A Randomized Complete Block Design (RCBD) with 25 treatment combinations was conducted in Jember, East Java, Indonesia, as follows: NPK (0–100%) and MOF (0–100%) at three replications. Statistical analysis was performed using ANOVA and DMRT (5%). Results: The combination of 100% NPK and 50–100% MOF showed a significant increase in yield, with the highest yield recorded at 100% NPK and 25% MOF (9,545 kg/ha). The 25% MOF and 75% NPK combination yielded 5,462.5 kg/ha, representing a 25% reduction in fertilizer application without a significant decrease in yield (p < 0.05). Conclusion: The use of 25% MOF combined with 100% nitrogen fertilizer is beneficial for optimizing productivity, decreasing chemical fertilizer use, and promoting sustainable rainfed rice production.
Co-Authors . Hamsiah Agang, Yosef Anggriani, Tina Apriliardo, Steven Aprilita, Aida Arbayanti, Arbayanti Asep Solikin Aulia, Norma Aulia, Novi Berti Yolida Carlone, Vito Christiandion Chintia Monalia, Chintia Dina Fariza Tryani Syarif Dwi Sari Usop, Dwi Sari Esty Aryani Safithry Farahdiva, Salsabila Farell, Akhmad Farida Rosana Mira, Farida Rosana Farida, Vidya Nur Fatchurrahman, M. Gabun, Valerianus Gevisioner Gevisioner, Gevisioner Hafid, Istiqamah Hanifah, Nurul Fitri Haris Munandar Hariyanto, Dwika Nano Herlinda Oktarina, Herlinda Isnaeni Marhani Istiqomah, Lina Nuril Julianti, Regina Tira Juwartina Ida Royani, Juwartina Ida Khairiyah, Hayat Khairiyah, Hayat Kitagawa, Sayuri Kludia, Alia Rosa KOMARUDIN Kristianto, Yosua Glen Kristianto, Yosua Glen Lestari, Bibit Lilik Linda Novita M. Fatchurahman Marsela, Ria Maryanto - melani putri Muhammad Andi Setiawan Murni, Weny Negor, Marsela Dominika Nopriadytia, Dwi Andicky Nuriani, Dina Pratama, Rafli Gustommy purwoko, devit Rahmadara, Gemilang Rahmah Rahmah Rahmawati, Delvia Rindukasih Bangun, Rindukasih Rudiyana, Yayan Rudiyana, Yayan Sabila, Nur Sabila, Sabila Saga, Hirohisa Sarbany, Sarbany Sari, Ismaulida Satriya Pranata Sekarsari, Yeti Selly Salma Setyawan , Dedy Siti Aisah Siti Juhairiah Sofia, Dewi Yustika Sofia, Dewi Yustika Sri Suneki Sukasmi, Sukasmi Sulistiawati, Cindy Susanti, Siti Nuraida Syifahayati, Nor Tati Sukarnih, Tati Teuku Tajuddin Tiara, Tiara Trisnowati, Indi Depi Vranada, Aric Wardani, Paskalia Osda Widayati, Christina Nur Widianto, Ahmad Rhicho Winarni, Dyah Yantiy, Nadila Juni YULANDARI, YULANDARI Yupita, Amelia