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All Journal Plumula : Berkala Ilmiah Agroteknologi Agrifor : Jurnal Ilmu Pertanian dan Kehutanan JTSL (Jurnal Tanah dan Sumberdaya Lahan) Journal of Degraded and Mining Lands Management Kultivasi AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Soil REns Akta Agrosia Journal of Tropical Mycorrhiza Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat
Ania Citraresmini
Pusat Aplikasi Teknologi Isotop dan Radiasi, BATAN Jln. Raya Cinere-Pasar Jumat, Lebak Bulus, Jakarta Selatan
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology

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Journal : Soil REns

 1 
Efek Aplikasi Pupuk NPK cair terhadap P-tersedia, Serapan P, dan Bobot Umbi Bawang Merah (Allium ascalonicum L.) di Tanah Inceptisol Jatinangor Sara, Dirga Sapta; Sofyan, Emma Trinurani; Citraresmini, Ania
Soilrens Vol 22, No 2 (2024)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v22i2.61719

Abstract

Shallots are a high-value horticultural commodity that requires optimal phosphorus (P) availability tosupport growth and bulb production. However, Inceptisol soils have limitations in providing phosphorusdue to their high fixation capacity and low organic matter content. This study aimed to examine the effectof liquid NPK fertilizer application on soil phosphorus availability, plant phosphorus uptake, and shallotbulb yield in Inceptisol soil. The experiment was conducted using a randomized complete block design(RCBD) with six treatments: control, recommended NPK fertilizer, and four doses of liquid NPK fertilizer(½, 1, 1 ½, and 2 doses), each with four replications. The results showed that liquid NPK fertilizerapplication significantly increased soil phosphorus availability, plant phosphorus uptake, and both freshand dry bulb weights compared to the control. The 1 ½-dose liquid NPK fertilizer treatment resulted in anavailable P content of 12.72 ppm, a phosphorus uptake of 3.28 mg plant⁻¹, a fresh bulb weight of 78.63 gclump⁻¹, and a dry bulb weight of 63.86 g clump⁻¹, which were not significantly different from therecommended NPK treatment. This indicates that applying 1 ½ doses of liquid NPK fertilizer can serve asan equivalent alternative to conventional granular NPK fertilizer in providing phosphorus for shallotcultivation. Thus, the application of liquid NPK fertilizer at 1 ½ times the recommended dose can beproposed as an effective and efficient fertilization strategy to improve shallot productivity in Inceptisol soil.
Peran Biochar-silika dan Pupuk Anorganik Tunggal dalam Meningkatkan Ketersediaan Fosfor dan Hasil Padi Sawah Muhammad, Fadlan Atalla; Rival, Rival; Citraresmini, Ania; Sofyan, Emma Trinurani; Joy, Benny
Soilrens Vol 23, No 2 (2025)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v23i2.69718

Abstract

Rice productivity in Inceptisols is often constrained by high phosphate fixation and low nutrient efficiency, despite high total nutrient reserves. This study aimed to evaluate the effectiveness of silicaenriched biochar in improving soil chemical properties and maintaining rice yield under reduced N, P, K fertilization. A field experiment was arranged in a Randomized Block Design with two factors: silicaenriched biochar (0, 1.25, and 2.5 t ha-1) and N, P, K fertilizer dosages (0, 50%, and 100% of the  recommended dose). Observed parameters included Cation Exchange Capacity (CEC), available phosphorus, total soil silica, and yield components. The results showed a significant interaction between treatments on soil chemical properties, particularly CEC and pH. Application of 2.5 t ha-1 silica-enriched biochar independently increased available phosphorus by 24.3% and total soil silica by 5.9% compared to the control, likely due to phosphate desorption mechanisms. Agronomically, while N, P, K fertilizer was the dominant factor for yield, the combination of 2.5 t ha-1  silica-enriched biochar  with 50% N, P, K dosage produced Milled Dry Grain (MDG) yields that were statistically comparable to the 100% N, P, K treatment. This indicated that silica-enriched biochar can substitute up to 50% of inorganic fertilizer requirements without compromised yield
Co-Authors Adirianto, Bayu Akhmad Rasyid Syahputra, Akhmad Rasyid Asep Mulyono Benny Joy Desev, Najma Fashally Dirga Sapta Sara Emma Trinurani Sofyan Eso Solihin Fiky Yulianto Wicaksono Fitri Widiantini Flatian, Anggi Nico Hanani, Muftia Hidawati, Hidawati Husen, Anne Yuliana Islamiati, Annisa Iswandi Anas Maulinda, Restiana Muhammad, Fadlan Atalla Nurjayati, Ratih Nurrobifahmi, Nurrobifahmi Oviyanti Mulyani RAHAYU WIDYASTUTI Rija Sudirja Rival, Rival Robifahmi, Nur Slamet, Sudono Tamad, Tamad Taufiq Bachtiar Utami, Rahma Dyah Veny Rachmawati