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All Journal Plumula : Berkala Ilmiah Agroteknologi Jurnal Agronomi Tanaman Tropika (JUATIKA)
Sari, Via Permata
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Energy Immunology & microbiology Materials Science & Nanotechnology

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Karakteristik Fisik Tanah Gambut pada Perkebunan Kelapa di Pulau Burung, Indragiri Hilir, Riau, Indonesia Jamili, M. Joehari; Wahyudi, Eko; Sari, Via Permata; Zafitra, Zafitra; Sumbari, Ahmad Imtaz; Umami, Irwin Mirza
Plumula : Berkala Ilmiah Agroteknologi Vol. 14 No. 1: Januari 2026
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, UPN "Veteran" Jawa Timur

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33005/plumula.v14i1.277

Abstract

Lahan gambut memiliki peran penting dalam ekosistem, namun sangat rentan terhadap degradasi akibat perubahan penggunaan lahan dan kebakaran. Penelitian ini bertujuan untuk mengevaluasi karakteristik fisik tanah gambut pada penggunaan lahan kelapa dua tipe penggunaan lahan gambut di Pulau Burung, Indragiri Hilir, Riau, yaitu lahan perkebunan kelapa dan lahan gambut terbakar yang telah berkembang menjadi semak belukar. Contoh tanah diambil dari kedalaman 0–20 cm dan 20–40 cm, lalu dianalisis untuk parameter fisik tanah. Analisis deskriptif-komparatif menunjukkan bahwa lahan perkebunan kelapa memiliki sifat fisik tanah yang berbeda, dengan bobot isi rendah (0.18-0.11 g/cm³), kerapatan partikel <1 g/cm³, dan porositas tinggi (80–84%). Sebaliknya, lahan semak belukar bekas terbakar menunjukkan peningkatan bobot isi dan kerapatan partikel. Perbedaan ini mencerminkan dampak dari kebakaran, serta manajemen dari perkebunan kelapa. Hasil penelitian menekankan pentingnya pengelolaan lahan gambut yang berkelanjutan tanpa kegiatan pembakaran.
Increasing the Growth and Yield of Green Bean Plants (Vigna radiata L.) by Providing Fly Ash and Organic Materials in Ultisol Soil Lubis, Nursiani; Idwar; Silvina, Fetmi; Sari, Via Permata; Luthfi, Faizul
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 1 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 1 January 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i1.4855

Abstract

Mung bean (Vigna radiata L.) is an important source of plant-based protein; however, its production has been declining. Efforts to increase mung bean production can be achieved through land extensification and intensification. Extensification can be implemented by utilizing Ultisol soils, while intensification can be accomplished through the application of fly ash and organic amendments. This study aimed to evaluate the effects of fly ash and organic amendments on the growth and yield of mung bean (Vigna radiata L.) grown on Ultisol soil. The experiment was conducted at the experimental field and Soil Laboratory of the Faculty of Agriculture, Riau University, using three fly ash rates and four organic amendments. Data were statistically analyzed using analysis of variance (ANOVA), followed by Duncan's New Multiple Range Test (DNMRT) at the 5% significance level, using SAS software. Observed parameters included the number of filled pods, percentage of filled pods, dry seed weight per plant, root volume, and percentage of effective root nodules. The results showed that fly ash application increased soil pH and organic carbon content while reducing exchangeable aluminum (Al-dd). The application of cattle manure at different fly ash rates significantly increased the number and percentage of filled pods, dry seed weight per plant, root volume, and the percentage of effective root nodules. Fly ash application at rates of 12.5 and 25 g per polybag did not result in significant differences in the number of filled pods, percentage of filled pods, dry seed weight per plant, or root volume compared to the control, but it did significantly increase the percentage of effective root nodules. Overall, applying 25 g of cattle manure per polybag resulted in higher mung bean growth and yield on Ultisol soil than cattle urine or cattle manure bokashi across various fly ash rates.
Co-Authors Ahmad Imtaz Sumbari EKO WAHYUDI Fetmi Silvina Idwar Irwin Mirza Umami Jamili, M Joehari Lubis, Nursiani Luthfi, Faizul Zafitra, Zafitra