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All Journal Jurnal Ilmu Pertanian Indonesia 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 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) Agrifarm PERTANIAN TROPIK Dinamika 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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Impact of Water Hyacinth Compost and Compound Fertilizers on Soil Chemistry, Nutrient Uptake, and Shallot Yield Salsabilla, Annisya; Sofyan, Emma Trinurani; Yuniarti, Anni
Jurnal Ilmu Pertanian Vol 10, No 3 (2025): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.101156

Abstract

Water hyacinth (Eichhornia crassipes) compost provides a sustainable opportunity to improve soil fertility while managing an invasive aquatic weed. This study evaluated the optimal combination of water hyacinth compost and NPKS fertilizers for enhancing soil chemical properties, nutrient uptake, and shallot (Allium ascalonicum L.) yield on Inceptisols. The experiment was conducted from July to October 2023 using a Randomized Complete Block Design with seven fertilization treatments, including a control treatment without compost or NPKS, a compost-only treatment, a full NPKS treatment, and four combined treatments consisting of compost at ¼, ½, ¾, and 1 dosage levels each paired with ¾ of the recommended N, P, K, and S fertilizers. Results showed substantial improvements in soil chemistry, particularly in treatments combining compost with reduced mineral fertilizer rates. Soil pH increased toward neutral conditions, total nitrogen rose from 0.10% in the control to 0.32%, and available phosphorus and potassium increased more than fourfold compared with unfertilized soil. The treatment of ¾ compost dose (18.75 t ha⁻¹) + ¾ recommended NPKS consistently produced the highest soil nutrient availability, reflecting enhanced mineralization and nutrient retention. Nutrient uptake by shallot plants also improved markedly, with nitrogen, phosphorus, and potassium absorption increasing two- to threefold relative to the control. These improvements corresponded with clear gains in crop performance: the number of bulbs increased from 5 in the control to 9, and fresh bulb weight rose from 92.89 g to 132.26 g. Integrated treatments outperformed both compost-alone and full mineral fertilization. These findings indicate that combining water hyacinth compost with reduced NPKS fertilization can maintain high shallot productivity while decreasing reliance on chemical fertilizers, enhancing soil fertility, and providing an environmentally beneficial use for invasive aquatic biomass—supporting sustainable and circular nutrient management in low-fertility tropical soils
Cow Manure for Improving Carbon-to-Nitrogen Ratio of Tailings, Growth, and Biomass of Water Kale (Ipomoea reptans Poir.) Hindersah, Reginawanti; Ardelia, Zahra; Sofyan, Emma Trinurani; Setiawan, Ade; Damayanti, Farida
Jurnal Ilmu Pertanian Vol 10, No 3 (2025): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.106456

Abstract

Gold mine tailings are characterized by low organic matter, poor nutrient availability, extreme pH conditions, and unfavorable texture, all of which restrict plant growth. This study evaluated the effects of cow manure (CM) on soil chemical properties, carbon-to-nitrogen (C/N) ratio, and the growth and biomass of water kale (Ipomoea reptans Poir.) cultivated in tailings-based media. A greenhouse experiment was arranged in a randomized block design consisting of five treatments: 0% (control), 15%, 30%, 45%, and 60% CM (v/v), each replicated six times. Observations included soil pH, organic carbon, total nitrogen, C/N ratio, plant growth parameters, biomass, and microbial populations at 35 days after planting. The application of CM significantly increased organic C, total N, and the C/N ratio, with the highest values observed at 60% CM. However, higher CM doses reduced substrate pH to slightly acidic levels. The 15% CM treatment produced the greatest improvements in plant growth and biomass, increasing plant height by 21%, stem thickness by 29%, leaf number by 8%, and fresh and dry biomass by 73% and 120%, respectively, compared with the control. Increasing CM above 15% enhanced the C/N ratio but did not further improve plant performance, likely due to reduced nitrogen availability associated with higher organic matter and slower mineralization. CM applications did not significantly affect bacterial or fungal populations in the rhizosphere. Overall, the findings indicate that low-dose CM (15%) is optimal for improving the C/N ratio, supporting nutrient availability, and enhancing water kale growth in tailings. This study demonstrates the potential of organic amendments for rehabilitating gold mine tailings and highlights their role in restoring soil functionality and supporting sustainable revegetation efforts.
Co-Authors ABDUL RAHMI Abdul Rahmi Abdurrahman Salim Abraham Suriadikusumah Ade Setiawan Ade Setiawan Adinda Putri Amanda Agnia, Ilma Agung Karuniawan Agung Karuniawan AKTAVIA HERAWATI Andriana Kartikawati Ania Citraresmini Anne Nurbaity ANNE NURBAITY Anne Nurbaity Anne Yuliana Anni Nuraisyah Anni Yunarti Anni Yuniarti Annisya Salsabilla Ardelia, Zahra Asty Nesya Atih Winingsih Bawana, Saedi Benny Joy Benny Joy Benny Joy Betty Natalie Fitriatin Betty Natalie Fitriatin Chamid Itmam Daud Siliwangi Saribun Derisfha Anggraeni Dirga Sapta Sara DIYAN HERDIYANTORO Djuansah, Muhamad Rahman Djuwansah, Muhamad Rachman Dzakaria Yogaswara Eso Solihin Fahmi Aprianto, Fahmi Fakhrurroja, Hanif Farida Damayanti Fidya A Puspafirdausi Fiky Yulianto Wicaksono Fitri Widiantini Futri Fauziah Ganjar Herdiansyah Ganjar Herdiansyah 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 Khumairah, Fiqriah Hanum Leoni Silvia Mahfud Arifin Marenda Ishak Sonjaya Sule Meddy Rachmadi Meddy Rachmady Mega Kartika Hermawan Mieke Rochimi Setiawati Mubarok, Zakka Tafwidh Muhammad Agus Mulyana Muhammad Amir Solihin Muhammad Farghan Fauzan Muhammad Iqbal Maulana Yusuf 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 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 Tualar Simarmata Tualar Simarmata WARID ALI QOSIM Wicaksono, Ficky Yulianto yeti kartika Yulianti Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud Yuliati Machfud, Yuliati Yuliati Mahfud Yulyanti Zaenal Mutaqin