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All Journal Jurnal Ilmu Pertanian Jurnal Penelitian Saintek Agrikultura Journal of Tropical Soils Berkala Ilmiah Pertanian Jurnal Fakultas Pertanian Agrifor : Jurnal Ilmu Pertanian dan Kehutanan JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Ilmu-Ilmu Pertanian Indonesia Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Tanah dan Air Jurnal Agro Kultivasi Jurnal Agrotek Tropika Daun: Jurnal Ilmiah Pertanian dan Kehutanan jurnal Ilmu Pertanian (Agricultural Science) Jurnal Agrotek Indonesia AGROLOGIA : Jurnal Ilmu Budidaya Tanaman Agroekoteknologi Tropika Lembab Soil REns ZIRAA'AH MAJALAH ILMIAH PERTANIAN Jurnal Tanah dan Air (Soil and Water Journal) PERTANIAN TROPIK Dinamika Pertanian Agrikultura Masyarakat Tani: Jurnal Pengabdian kepada masyarakat Agroscript: Journal of Applied Agricultural Sciences Agrifarm: Jurnal Ilmu Pertanian
Emma Trinurani Sofyan
Departemen Ilmu Tanah Dan Manajemen Sumberdaya Lahan, Fakultas Pertanian, Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Physics Public Health

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Pengaruh Pupuk Majemuk Mikro dan N, P, K terhadap Kadar Mn Tanaman dan Hasil Tomat Emma Trinurani Sofyan; Rina Devnita; Ade Setiawan; Yani Maharani; Riky Risman
AGROSCRIPT: Journal of Applied Agricultural Sciences Vol 8 No 1 (2026): June
Publisher : Universitas Perjuangan Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36423/agroscript.v8i1.2711

Abstract

Penurunan produktivitas tanaman pada ordo Inceptisols disebabkan oleh ketidakseimbangan hara seperti mangan, sehingga diperlukan pemupukan yang tepat dan berimbang. Penelitian ini bertujuan untuk mengetahui pengaruh kombinasi pupuk majemuk mikro dan  N, P, K terhadap kadar Mn tanaman dan hasil tomat (Solanum lycopersicum L.) pada Inceptisols asal Jatinangor. Penelitian dilaksanakan di Lahan Percobaan Kimia Tanah dan Nutrisi Tanaman, Fakultas Pertanian Universitas Padjadjaran, menggunakan Rancangan Acak Kelompok (RAK) dengan enam perlakuan dan empat ulangan: Kontrol;  N, P, K Rekomendasi; ½ Majemuk Mikro + N, P, K Rekomendasi; 1 Majemuk Mikro +N, P, K Rekomendasi; 1 ½ Majemuk Mikro + N, P, K Rekomendasi; 1 Majemuk Mikro + ¾ N, P, K Rekomendasi. Parameter yang diamati meliputi kadar Mn tanaman, diameter buah, jumlah buah, dan bobot buah per petak. Hasil penelitian menunjukkan bahwa kombinasi pupuk majemuk mikro dan N, P, K berpengaruh nyata terhadap seluruh parameter pengamatan. Perlakuan F menghasilkan kadar Mn tertinggi serta memberikan diameter, jumlah, dan bobot buah per petak lebih tinggi dibandingkan perlakuan kontrol. Peningkatan tersebut masing-masing sebesar 157,8%, 44,7%, 132,0% dan 127,3%. Hasil ini menunjukkan bahwa pemupukan berimbang antara unsur hara makro dan mikro mampu meningkatkan efisiensi pemupukan serta produktivitas tomat secara optimal pada Inceptisols.
The effect of silica-enriched rice husk biochar and NPK fertilizer on soil total nitrogen, nitrogen uptake, and yield of lowland rice Sofyan, Emma Trinurani; Mulyani, Oviyanti; Citraresmini, Ania; Rachmadi, Meddy; Livia, Kharmelia Sandra
Kultivasi Vol 25, No 2 (2026)
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v25i2.70657

Abstract

Rice production in Indonesia increasingly relies on agricultural intensification, which can accelerate soil degradation and reduce fertilizer-use efficiency. Therefore, sustainable soil management is needed to maintain soil fertility. Silica-enriched rice husk biochar (biochar-silica) is a promising soil amendment because it improves soil properties and nutrient retention. This study evaluated the effects of biochar-silica and NPK fertilization on soil total nitrogen, nitrogen uptake, and yield of lowland rice (Oryza sativa L.). The experiment was conducted from September 2025 to January 2026 using a two-factor randomized block design with nine treatment combinations and three replications. The treatment consisted of three levels of amendment (0 t biochar ha−1; 1.25 t biochar ha−1 + 160 kg SiO2 ha−1; 2.5 t biochar ha−1 + 320 kg SiO2 ha−1) and three levels of NPK fertilizer application (0 kg urea ha−1 + 50 kg SP-36 ha−1 + 37.5 kg KCl ha−1; 100 kg urea ha−1 + 50 kg SP-36 ha−1 + 37.5 kg KCl ha−1; 200 kg urea ha−1 + 100 kg SP-36 ha−1 + 75 kg KCl ha−1). Significant interaction effects were observed on soil total nitrogen, harvested dry grain yield, and milled dry grain yield, whereas nitrogen uptake was significantly affected only by NPK fertilizer application. Under the experimental conditions, the interaction between biochar-silica and NPK fertilizer application resulted in soil total nitrogen to 0.42% and milled dry grain yield to 6.63 t ha⁻¹. These findings demonstrate that integrating biochar-silica with NPK fertilizer application can improve soil nitrogen status and support lowland rice production.
Karakteristik Kimia Biochar Limbah Bonggol Jagung pada Berbagai DurasiPirolisis: pH, Kapasitas Tukar Kation, dan C-Organik Sara, Dirga Sapta; Sofyan, Emma Trinurani; Tridakusumah, Ahmad Choibar
Soilrens Vol 24, No 1 (2026)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v24i1.72279

Abstract

Biochar is a soil amendment material that can be produced through the pyrolysis of biomass,including corn cobs. This study aimed to determine the effect of pyrolysis duration on the chemical properties of corn cob biochar based on pH, cation exchange capacity (CEC), and organic carbon (Corganic) content. The study was conducted from May to July 2026 using a pyrolysis reactor at a temperature of 400 °C with four pyrolysis durations: 3 h (P1), 4 h (P2), 5 h (P3), and 6 h (P4), with three replications for each treatment. The observed parameters were pH, CEC, and organic carbon content. The data were analyzed using analysis of variance followed by Duncan's Multiple Range Test at the 5% significance level when significant differences were detected. The results showed that increasing the pyrolysis duration increased the pH and organic carbon content of the biochar. The pH values were 8.12, 8.31, 8.53, and 8.66 for P1 to P4, respectively, while the organic carbon content increased from 62.40% to 71.80%. CEC increased from 32.53 cmol kg⁻¹ in P1 to 42.40 cmol kg⁻¹ in P3, followed by a decrease to 40.40 cmol kg⁻¹ in P4. Treatment P4 produced the highest pH and organic carbon content, whereas P3 resulted in the highest CEC. Thus, pyrolysis durations of 5–6 hour produced favorable chemical characteristics of corn cob biochar based on the evaluated parameters.
Co-Authors Abdul Rahmi ABDUL RAHMI Abdurrahman Salim Abraham Suriadikusumah Ade Setiawan Ade Setiawan Adinda Putri Amanda Agnia, Ilma Agung Karuniawan Ahmad Choibar Tridakusumah AKTAVIA HERAWATI Andriana Kartikawati Ania Citraresmini Anne Nurbaity Anne Yuliana Anni Nuraisyah Anni Yunarti Anni Yuniarti Ardelia, Zahra Atih Winingsih Bawana, Saedi Benny Joy Betty Natalie Fitriatin Chamid Itmam Chamid Itmam Daud Siliwangi Saribun Derisfha Anggraeni Desev, Najma Fashally Dirga Sapta Sara Diyan Herdiyantoro Djuansah, Muhamad Rahman Djuwansah, Muhamad Rachman Dzakaria Yogaswara Eso Solihin Fahmi Aprianto, Fahmi Fakhrurroja, Hanif Farida Damayanti Ficky Yulianto Wicaksono Fidya A Puspafirdausi Fiky Yulianto Wicaksono Fitri Widiantini Futri Fauziah Ganjar Herdiansyah Ganjar Herdiansyah, Ganjar Ghifari, Raden Faqih Hilmiy Gordon Pius Marihot Gordon Pius Marihot Pius Marihot Gumelar, Fajar Akbar Hermawan, Mega Kartika Hilma Yeni Husen, Anne Yuliana Ilma Agnia Irwandhi Irwandhi, Irwandhi Iva Fitriani Juli Enita Sinaga Karina Astari Kharmelia Sandra Livia Khumairah, Fiqriah Hanum Leoni Silvia Lindung Tri Puspasari Livia, Kharmelia Sandra Mahfud Arifin Marenda Ishak Sonjaya Sule Meddy Rachmadi Meddy Rachmady Mega Kartika Hermawan Mieke Rochimi Setiawati Mubarok, Zakka Tafwidh Muhammad Agus Mulyana Muhammad Farghan Fauzan Muhammad Iqbal Maulana Yusuf Muhammad, Fadlan Atalla Muthia Erwina Nabila Nadia Nuraniya Kamaluddin Nisa Budi Arifiana Oviyanti Mulyani Pujawati Suryatmana Puspafirdausi, Fidya A. Rahmawati Raidasari, Fatharani Rani Ros Reginawanti Hindersah Rhazista Noviardi Rhazista Noviardi Rija Sudirja Riky Risman Riky Risman Rina Devnita Rival, Rival Robi Natalie Silpanus Saedi Bawana Salsabilla, Annisya Santi Rosniawaty Sari, Stefina Liana Satria Indra Kusuma Satria, Rievansyah Eka Septianugraha, Reza Shindy Widiana Simanjuntak, Edo Kelvin Stefina Liana Sari Stefina Liana Sari Stefina Liana Sari Tarra Martiana Dewi Tien Turmuktini Triono Bambang Irawan Tualar Simarmata Utami, Rahma Dyah Warid Ali Qosim Wicaksono, Ficky Yulianto Yani Maharani yeti kartika Yulianti Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud, Yuliati Yuliati Mahfud Yulyanti Yulyanti Zaenal Mutaqin Zahra, Siti Revita