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All Journal JURNAL SAINS PERTANIAN EQUATOR Jurnal Social Economic of Agriculture Journal of Degraded and Mining Lands Management Jurnal Ilmu Tanah dan Sumber Daya Lahan Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Abdimas Ilmiah Citra Bakti
Romiyanto, Romiyanto
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Social Sciences

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PENGARUH PEMBERIAN TRICHOKOMPOS DAN BIOCHAR SEKAM PADI TERHADAP SERAPAN HARA N, P, K SERTA HASIL TANAMAN JAGUNG (Zea mays L.) PADA TANAH ULTISOL Nurfadillah, Jelita Amalia; Hayati, Rita; Romiyanto, Romiyanto
Jurnal Sains Pertanian Equator Vol. 15 No. 2
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v15i2.99147

Abstract

Tujuan Penelitian ini untuk mengetahui pengaruh trichokompos dan biochar sekam padi terhadap serapan hara N, P, K dan hasil tanaman jagung (Zea mays L.) pada tanah ultisol. Penelitian menggunakan metode eksperimen lapangan dengan Rancangan Acak Lengkap (RAL) Faktorial terdiri dari 2 faktor, yaitu faktor Trichokompos dengan kode (C) yang terdiri dari dosis: C0 tanpa perlakuan trichokompos, C1 20 ton/ha atau 400 gram/polybag, dan C2 30 ton/ha atau 600 gram/polybag, sedangkan faktor Biochar dengan kode (B) terdiri dari dosis B0 tanpa perlakuan, B1 10 ton/ha atau 200 gram/polybag, B2 20 ton/ha atau 400 gram/polybag dan B3 30 ton/ha atau 600 gram/polybag. Perlakuan diulang 3 kali, sehingga terdapat 36 polybag, setiap perlakuan tanaman diulang sebanyak 2 set perlakuan, sehingga total 72 polybag. Variabel pengamatan adalah serapan nitrogen tanaman, serapan fosfor tanaman, serapan kalium tanaman, berat kering bagian atas tanaman, dan berat pipilan per tanaman. Perlakuan trichokompos dosis 30 ton/ha meningkatkan serapan P, serapan K, berat kering bagian atas tanaman, dan berat pipilan per tanaman.
Analisis Laju Infiltrasi Tanah Gambut Pada Beberapa Penggunaan Lahan Di Desa Mega Timur Kecamatan Sungai Ambawang Kabupaten Kubu Raya Amelia, Nindia; Widiarso, Bambang; Romiyanto, Romiyanto
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol. 12 No. 1 (2026): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v12i1.91588

Abstract

Mega Timur Village, Kubu Raya Regency has a type of peat soil that is utilized by the community as a livelihood such as farming and gardening. The availability of water in the land will affect plant growth and agricultural yields, one of which is the process in the hydrological cycle that plays a very important role in controlling surface flow and the availability of water in the soil is infiltration. This study aims to identify the physical properties of peat soil and determine the differences in infiltration rates in the use of rubber plantations, oil palm plantations and mixed gardens in Mega Timur Village. The study was conducted for 4 months from September to December in Mega Timur Village, Sungai Ambawang District, Kubu Raya Regency. Sampling was carried out using the transect method with a distance between points of 20 meters at three land uses of five points each. The results of the One Way ANOVA test on land use showed that land use did not significantly affect the parameters of soil maturity, bulk density, total porosity, field condition water content and permeability at a soil depth of 0-30 cm. The constant infiltration rate in mixed gardens was 452.14 mm/hour (very fast criteria), rubber gardens were 338.33 mm/hour (very fast criteria) and oil palm gardens were 195.80 mm/hour (fast criteria).
Peranan Red Mud dan Pupuk Kandang Kambing Terhadap Ketersediaan Hara N, P, K Serta Pertumbuhan Tanaman Jagung pada Tanah Gambut Tanti, Dwi; Suswati, Denah; Romiyanto, Romiyanto
Pedontropika: Jurnal Ilmu Tanah dan Sumber Daya Lahan Vol. 12 No. 1 (2026): Februari
Publisher : Soil Science Department, Faculty of Agriculture, Tanjungpura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/pedontropika.v12i1.102368

Abstract

The use of peat soil as a growing medium for corn plants faces various problems regarding soil fertility and low productivity. One of the materials that can improve fertility is red mud, which can increase the pH of peat soil, and goat manure as a soil fertility improver. This study aims to determine the effect of red mud and goat manure on increasing the availability of N, P, and K nutrients in peat soil. The study was conducted at the experimental field of the Faculty of Agriculture, Tanjungpura University, and soil sample analysis was carried out at the Chemistry and Soil Fertility Laboratory of the Faculty of Agriculture, Tanjungpura University. The research design used in this study was a completely randomized design (CRD) factorial pattern and Duncan's test with a 5% confidence level, consisting of 9 treatments and 3 replicates, resulting in 27 polybags (plants). The red mud treatment doses were: M0 (0 g/polybag), M1: 100 g/polybag (4 tons/ha), M2: 200 g/polybag (8 tons/ha). Goat manure treatment doses: K0 (0 g/polybag), K1: 1500 g/polybag (60 tons/ha), K2: 3000 [A3.1]g/polybag (120 tons/ha). The parameters observed were Soil Reaction (Soil Acidity), Soil Organic Carbon, Total Soil Nitrogen (N), Available Phosphorus (P), Exchangeable Potassium (K), Plant Height, and Corn Stem Diameter. Based on the research results, it can be concluded that the M2K2 treatment with 200 g/polybag (8 tons/ha) of red mud and kambi manure.
EVALUASI KESESUAIAN LAHAN TANAMAN KELAPA SAWIT DI PTPN IV REGIONAL V GUNUNG EMAS KECAMATAN TAYAN HILIR KABUPATEN SANGGAU Putra, Muhammad Rizky Haikal; Krisnohadi, Ari; Romiyanto, Romiyanto
Jurnal Sains Pertanian Equator Vol. 15 No. 2
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v15i2.102668

Abstract

Tanah Ultisol merupakan tanah yang telah mengalami pelapukan lanjut akibat curah hujan yang tinggi. Tanah ini dicirikan dengan agregat kurang stabil, permeabilitas, bahan organik dan tingkat kebasaan rendah. Tujuan penelitian ini adalah untuk menentukan sub-kelas kesesuaian lahan, mengidentifikasi karakteristik lahan, dan rekomendasi untuk pengelolaan lahan untuk menetukan faktor pembatas lahan tanaman kelapa sawit di PTPN IV kebun Gunung Emas Kecamatan Tayan Hilir Kabupaten Sanggau serta memberikan saran berdasarkan faktor pembatas yang ada di lahan perkebunan kelapa sawit. Penelitian ini dilaksanakan di Kebun Gunung Emas Afdeling VI Kecamatan Tayan Hilir Kabupaten Sanggau. Metode yang digunakan ialah metode grid, pengambilan sampel tanah secara komposit pada 12 titik pengamatan dan menganalisis sampel tanah di laboratorium. Kesesuaian lahan aktual untuk tanaman kelapa sawit digolongkan kedalam kategori sesuai marginal (S3) dengan memiliki faktor pembatas yaitu curah hujan (w) dan K2O (n). Kesesuaian lahan potensial tanaman kelapa sawit digolongkan kedalam kelas sesuai marginal (S3) dengan faktor pembatas yaitu curah hujan (w). Hasil penelitian akan disajikan kedalam bentuk peta.
Assessing environmental degradation in a tropical watershed: Evidence from artisanal and small-scale gold mining (ASGM), and plantation expansion in West Kalimantan, Indonesia Desmaiani, Herda; Akbar, Aji Ali; Romiyanto, Romiyanto; Hermawati, Ery; Suhartoyo, Aji; Rahma, Syafira Nur; Jati, Dian Rahayu; Saziati, Ochih; Sulastri, Aini; Jumiati, Jumiati
Journal of Degraded and Mining Lands Management Vol. 13 No. 2 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.132.9859

Abstract

This study presents a systematic environmental assessment of the Raya River Sub-Watershed in West Kalimantan, Indonesia, from 2018 to 2025. It addresses a critical data gap in a region heavily impacted by artisanal and small-scale gold mining (ASGM) and oil palm expansion. Establishing the first multi-year physicochemical and sedimentological dataset for this tropical catchment enables the identification of key drivers of ecosystem degradation. An analysis was conducted across nine strategic sampling points, with results indicating significant acidification (pH 4.10), elevated total suspended solids (up to 125 mg/L), and heavy metal concentrations in sediments exceeding international quality standards. Utilising X-ray fluorescence (XRF) spectroscopy, the study quantified community exposure to Pb (13.0-45.5 ppm), Fe (290.0-642.3 ppm), Sn (16.0-22.8 ppm), and Mn (67.9-233.0 ppm), signalling persistent toxicological risks. This research establishes a link between in-situ pollution monitoring and human health implications by associating ASGM with agricultural runoff and potential bioaccumulation. These findings provide a scientifically robust baseline, essential for informing targeted remediation strategies, including phytoremediation and erosion control, and for offering a framework for evidence-based environmental governance in contaminated tropical watersheds.
Co-Authors Agustine, Leony Akbar, Aji Ali Amelia, Nindia ari krisnohadi Bambang Widiarso Denah Suswati Desmaiani, Herda Ery Hermawati Irawan, Ria Jati, Dian Rahayu Jumiati Jumiati linus, linus Nurfadillah, Jelita Amalia Nuriman, Muhammad Putra, Muhammad Rizky Haikal Rahma, Syafira Nur Riduansyah Riduansyah, Riduansyah rini hazriani Rita Hayati Saziati, Ochih Shenny Oktoriana Suhartoyo, Aji Sulakhudin Sulakhudin Sulastri, Aini Tanti, Dwi Urai Suci Yulies Vitri Indrawati Wanti Fitrianti Zaen, Fani Afifa