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All Journal JURNAL SAINS PERTANIAN EQUATOR Perkebunan dan Lahan Tropika Jurnal Solum Jurnal Biologi Tropis Jurnal Ilmu Tanah dan Sumber Daya Lahan Jurnal Pertanian Agros Asian Journal of Agriculture Jurnal Penelitian Agrosamudra Jurnal Tanah dan Iklim Jurnal Pengabdian kepada Masyarakat Nusantara Jurnal Pendidikan Literasi: Jurnal Pengabdian Masyarakat dan Inovasi Journal of Agro Plantation (JAP) Sustainability Nexus: Journal of Agriculture
Nuriman, Muhammad
Fakultas Pertanian, Universitas Tanjungpura
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Social Sciences Other

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The Role of Boiler Ash and Chicken Manure on Macro Nutrient Availability and Growth of Maize (Zea mays L.) on Peat Soil Suswati, Denah; Fadilla, Ulfia; Kusuma, Eka Widiyawati Wijaya; Nuriman, Muhammad
Jurnal Biologi Tropis Vol. 25 No. 4b (2025): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i4b.10621

Abstract

Peat soils are planting media that possess several chemical limitations, including acidic soil pH, low availability of macro- and micronutrients, and low base saturation, which categorize them as nutrient-poor soils. The use of site-specific ameliorants such as boiler ash and chicken manure as alternative materials to lime can improve soil pH and nutrient availability in peat soils. The objective of this study was to determine the effect of boiler ash and chicken manure application on the availability of macronutrients and the growth of maize (Zea mays L.) in peat soil. The research employed a factorial completely randomized design (CRD) consisting of two factors: the first factor was the rate of boiler ash with four treatment levels, and the second factor was the rate of chicken manure with four treatment levels, each replicated three times, resulting in a total of 48 experimental units. The parameters analyzed included soil chemical properties and plant growth indicators (plant height and stem diameter). The results showed that the combination treatment A2B3 (2000 g boiler ash/polybag + 600 g chicken manure/polybag) significantly increased the availability of N, P, K, Ca, Mg, and Na, as well as improved maize growth (plant height and stem diameter) on peat soil compared to the control treatment.
KAJIAN SIFAT FISIKA TANAH INCEPTISOL KEBUN KELAPA SAWIT RAKYAT BERDASARKAN TIGA KELAS LERENG DI KECAMATAN PARINDU Saputra, Riobertus Yuvan; Edi Suryadi, Urai; Nuriman, Muhammad
Jurnal Sains Pertanian Equator Vol. 15 No. 3
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v15i3.99472

Abstract

Sifat fisika tanah daerah berlereng berperan menentukan jumlah ketersediaan air, udara, maupun unsur hara tanaman yang berguna mempengaruhi produktivitas lahan, tanah, dan tanaman kelapa sawit secara optimal. Tujuan penelitian adalah mengkaji perbedaan sifat fisika tanah Inceptisol pada tiga kelas lereng lahan kelapa sawit rakyat di Desa Sebarra, Kecamatan Parindu, Kabupaten Sanggau. Kelas lereng meliputi: lahan A (10"“15%), B (15"“24%), dan C (>26-32%). Penelitian menggunakan metode Stratified Random Sampling kedalaman 0"“30 cm dengan 15 titik sampel tanah utuh dan 3 sampel tanah komposit. Pengambilan sampel tanah utuh guna analisis bobot isi, porositas total, kadar air kapasitas lapangan, dan konduktivitas hidrolik. Sampel tanah komposit guna analisis tekstur, pH, dan C-organik tanah. Analisis statistik menggunakan Anova dan uji lanjut BNJ. Hasil penelitian menunjukkan bahwa ketiga lahan termasuk tanah Inceptisol. Tekstur tanah lempung berliat hingga lempung liat berdebu. Struktur tanah butir hingga gumpal bersudut, dengan konsistensi sangat gembur hingga sangat teguh. Kedalaman muka air tanah sangat dalam. Bobot isi berkisar rendah-tinggi, porositas kurang baik-poros, kadar air kapasitas lapangan sedang"“tinggi, dan konduktivitas hidrolik agak cepat"“sedang. C-organik tanah berkisar rendah-tinggi, dan pH tanah masam.
Pengaruh Pemberian Fly Ash dan Biochar Sekam Padi terhadap Ketersediaan N, P, K dan Pertumbuhan Terung Ungu (Solanum melongena L.) pada Tanah Alluvial Manalu, Anggita Yosia; Indrawati, Urai Suci Yulies Vitri; Nuriman, Muhammad
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.v12i1.105856

Abstract

Alluvial soils in West Kalimantan have low levels of macronutrients, particularly phosphorus (P) and potassium (K), which hinder the growth of purple eggplant. To improve the chemical properties of these soils, fly ash and rice husk biochar were used as soil amendments, with the aim of increasing soil pH, organic carbon, total nitrogen, available phosphorus, and soluble potassium, as well as promoting plant growth. The study aimed to determine the role and optimal application rates of fly ash and rice husk biochar on the availability of N, P, and K nutrients and the growth of purple eggplant in alluvial soil. The study was designed using a factorial Complete Randomized Design (CRD) with 9 treatment combinations and 3 replications, consisting of Fly Ash (0, 1000, 1500 g/polybag) and rice husk biochar (0, 525, 1000 g/polybag). Analysis of variance results showed that fly ash had a significant effect on soil pH and available phosphorus, which played a role in reducing soil acidity and increasing phosphorus availability in alluvial soil. Fly ash did not have a significant effect on organic carbon, total nitrogen, soluble potassium, and plant height. Result show biochar also had no significant effect on any of the soil chemical parameters or plant height, and there was no interaction between the two soil amendments. The A1B2 treatment combination (0 g of fly ash per polybag and 525 g of biochar per polybag) was the optimal treatment, showing the greatest improvement in soil chemical parameters and plant height, indicating that biochar at a moderate dose is more effective at improving soil chemical properties and supporting the growth of purple eggplant under conditions without fly ash.
Soil and water management in tidal rice fields based on irrigation and water quality across land units in Mempawah, West Kalimantan, Indonesia BAMBANG WIDIARSO; MUHAMMAD NURIMAN; DENDY DETAFIANO PRAKASA AFNER; SUHAIMI SUHAIMI
Asian Journal of Agriculture Vol. 10 No. 2 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g100231

Abstract

Abstract. Widiarso B, Nuriman M, Afner DDP, Suhaimi. 2026. Soil and water management in tidal rice fields based on irrigation and water quality across land units in Mempawah, West Kalimantan, Indonesia. Asian J Agric 10 (2): g100231. https://doi.org/10.13057/asianjagric/g100231. Tidal rice field management in Indonesia is often applied the same way across different land units. This approach ignores the variations in pyrite depth, which significantly changes how soil and water interact. This study used a comparative land-unit approach to describe soil and water management needs in tidal rice fields of Mempawah District, West Kalimantan, Indonesia. Field surveys at ten locations identified two land units: Sulfaquents with shallow pyrite and Endoaquents with deeper pyrite (>50 cm). We analyzed soil morphology, irrigation water quality, and crop water requirements in a united framework. Sulfaquents needed 13-15% more irrigation during land preparation (221.1-221.7 mm/decade) compared to Endoaquents (187.9-195.1 mm/decade). This difference reflects the role of water in preventing pyrite oxidation. Irrigation water quality differed regardless of land unit. Three out of ten sites exceeded FAO thresholds (EC > 750 µS/cm or SAR > 26). Spearman correlation identified Na⁺ (rs = 0.967) and SAR (rs = 0.939) as the main factors. In contrast, channel discharge showed no clear relationship (rs = -0.231). This indicates that source water and hydrological connectivity are more important than flow volume. The integrated land-unit framework offers a foundation for managing tidal rice fields in a site-specific way.
Penyiapan Lahan Jagung Tanpa Bakar Untuk Mendukung Swasembada Pangan Di Kelompok Tani Tuah Talino Kelurahan Mayasopa Kecamatan Singkawang Timur Kota Singkawang Riduansyah Riduansyah; Romiyanto Romiyanto; Muhammad Nuriman; Urai Suci Yulies Vitri Indrawati
Jurnal Pengabdian kepada Masyarakat Nusantara Vol. 7 No. 1 (2026): Edisi Januari - April
Publisher : Lembaga Dongan Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55338/jpkmn.v7i1.7032

Abstract

Pelaksanaan PKM ini bertujuan untuk melakukan penyuluhan kepada anggota kelompok tani Tuah Talino di Kelurahan Mayasopa Kecamatan Singkawang Timur Kota Singkawang Provinsi Kalimantan Barat dalam upaya meminimalkan pembukaan lahan tanpa bakar. Pembukaan lahan dengan cara membakar sampai saat ini masih dilakukan oleh beberapa petani, selain murah hal ini juga di dukung oleh Perda Kalbar No 1 Tahun 2022 Tentang Pembukaan Lahan Perladangan Berbasis Kearifan Lokal. Namun harus dilakukan secara terbatas dan terkendali, serta tidak boleh dikukan pada lahan gambut. Penyuluhan dimaksud dilakukan selama 2 bulan terutama pada saat masyarakat membuka lahan. Kegiatan penyuluhan salah satunya adalah untuk memperkenalkan jenis-jenis sekat bakar alami maupun buatan guna memitigasi terjadinya kebakaran hutan dan lahan. Disisi lain, juga menghidupkan kembali semangat gotong royong dalam masyarakat lokal, yang sudah lama menghilang, dimana hal dimaksud adalah gotong royong dalam membuka lahan menggunakan peralatan tradisional. Upaya ini sangat efektif dalam upaya menghilangkan pembukaan lahan dengan cara membakar, sehingga permasalahan kebakaran lahan dapat terselesaikan, selain itu juga dapat memupuk tali silaturahmi dan kekompakan antar masyarakat dan kelompok tani dalam upaya menjaga kelestarian lingkungan.
Pengaruh Pemberian Fly ash dan Biochar Sekam Padi terhadap Serapan N, P, K serta Hasil Terung Ungu (Solanum melongena L.) pada Tanah Alluvial Astuty, Apriany; Indrawati, Urai Suci; Nuriman, Muhammad
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.v12i1.105940

Abstract

Purple eggplant (Solanum mengolena L.) is a horticultural plant grown for its fruit and is a fruit vegetable plant. Alluvial soils generally have diverse textures but are often acidic with low nutrient content, thus becoming an obstacle for the cultivation of horticultural crops such as purple eggplants that require appropriate soil pH and nutrients for optimal growth. This study aims to determine the effect of fly ash and rice husk biochar on the absorption of N, P, K nutrients and yield of purple eggplant plants in Alluvial soil. This study used a Factorial Completely Randomized Design (CRD) with 9 treatment combinations and 3 replications so that there were 27 experimental units. The Fly ash factor (A) consisted of treatments namely A1 (0 g/polybag), A2 (1000 g/polybag), and A3 (1500 g/polybag). The rice husk biochar factor (B) consisted of treatments namely B1 (0 g/polybag), B2 (525 g/polybag), and B3 (1000 g/polybag). The results of the study were that the provision of fly ash and rice husk biochar treatments significantly affected plant dry weight, N uptake, P uptake and fruit weight, but did not significantly affect K uptake and the interaction between the two treatments. Fly ash treatment (0 g/polybag) gave the highest results in dry weight and N uptake parameters. In the yield parameters, the combination of A3B3 treatments (1000 g fly ash) gave an increase in fruit weight that was statistically significantly different so it was chosen as the highest dose because it was more efficient. This combination of treatments could increase plant dry weight by 10.37%, N uptake by 7.57%, P uptake by 37.87%, K uptake by 23.66%, and fruit weight by 95.83%. Keyword: Alluvial soil; fly ash; nutrient uptake; purple eggplant; rice husk biochar
Analisis Neraca Air Berdasarkan Ketersediaan Air Tanah pada Lahan Jagung Manis (Zea mays saccharata Sturt.) di Kecamatan Singkawang Selatan Idha, Aidila; Widiarso, Bambang; Nuriman, Muhammad
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.v12i1.105954

Abstract

Water balance is the relationship between inflow and outflow in a particular area from the air circulation process. Water balance plays an important role in assessing the suitability of agricultural land, determining optimal planting and harvesting times, and optimizing irrigation both in terms of quantity and timing. This study aims to determine the monthly balance of sweet corn fields in a year using the Thornthwaite-Mather method in South Singkawang District. The study was conducted at three sweet corn fields with an area of ± 1 ha each using a purposive sampling method with 9 sample points. Climate data in the form of rainfall (2015-2024) and monthly average temperature were used to calculate evapotranspiration and air balance. The results showed that air surplus conditions were dominant throughout the year in the third field. Land 1 (Inceptisol, 0-10 masl) recorded the highest surplus of 225.88 mm (October) with a slight deficit of -0.04 mm (April), land 2 (Ultisol, 0-10 masl) experienced a full surplus of up to 264.64 mm (November) without a deficit, and land 3 (Inceptisol, 10-29 masl) had a maximum surplus of 286.6 mm (January) without a deficit. High rainfall of 159-324 mm/month exceeds the average evapotranspiration of 119 mm/month, supporting the water needs of sweet corn of 236-257 mm per cycle and allowing for intensive planting of three seasons per year. Keyword: Evapotranspiration; Sweet Corn; Water Availability; Water Balance
Penyuluhan Persiapan Lahan Hortikultura Gambut melalui Demonstrasi Sidik Cepat Tanah dan Pengenalan Gejala Defisiensi Hara Riduansyah; Muhammad Nuriman; Romiyanto
Literasi Jurnal Pengabdian Masyarakat dan Inovasi Vol 6 No 2 (2026)
Publisher : Pengelola Jurnal Politeknik Negeri Ketapang Jl. Rangga Sentap, Dalong Sukaharja, Ketapang 78813. Telp. (0534) 3030686 Kalimantan Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/dy125t69

Abstract

Kelompok Tani Lembah Hijau 1 di Kabupaten Mempawah mengusahakan sayuran daun dan semangka di lahan gambut dengan persiapan lahan yang masih mengikuti kebiasaan, tanpa pengamatan kondisi tanah. Kegiatan pengabdian kepada masyarakat ini bertujuan membekali petani untuk mengamati kondisi lahan dan menentukan persiapan lahan yang sesuai dengan kondisi tanah dan jenis hortikultura. Metode pelaksanaan berupa penyuluhan sebagai pendidikan nonformal, yang terdiri atas ceramah, diskusi pengalaman petani, demonstrasi pengukuran tanah di lahan dengan alat sidik cepat digital, pengenalan diagnosis visual gejala hara pada jagung, dan diskusi pilihan persiapan lahan, dengan media leaflet dan lembar praktikum. Kegiatan dilaksanakan pada 7 Mei 2026 dan diikuti 10 dari 20 anggota kelompok. Hasil kegiatan berupa penyampaian materi tentang parameter lahan yang perlu diamati sebelum tanam, yaitu kemasaman, kelembapan, suhu, dan hara, dengan contoh pembacaan pH 4,6 dan 4,4 pada dua lokasi yang berbeda penyiraman dan naungan, serta pengenalan pola gejala defisiensi N dan K pada jagung. Petani diberi anjuran persiapan lahan secara bertahap berupa dolomit 500 kg/ha dan pupuk kandang sapi setara 2 t/ha (sebelumnya tanpa dolomit dan pupuk kandang 1 t/ha), pengaturan air dan bedengan menurut komoditas, serta pemupukan sesuai buku rekomendasi kabupaten. Kegiatan ini dapat menjadi model penyuluhan persiapan lahan gambut yang dilanjutkan dengan pendampingan dan pemantauan respons tanaman.
KUALITAS, KESEHATAN, DAN ERODIBILITAS TANAH UNTUK PRIORITAS KONSERVASI PADA KEBUN SAWIT RAKYAT DI SINTANG Muhammad Nuriman; Bambang Widiarso; Feira Budiarsyah Arief; Rizki Eko Wahyudi; Suprianus Nawang
Journal of Agro Plantation (JAP) Vol 5 No 2 (2026)
Publisher : Politeknik Negeri Ketapang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58466/ab63ty25

Abstract

Tanah kebun sawit rakyat di Kalimantan Barat bersifat masam dan fungsinya mudah menurun, tetapi penilaian tanahnya jarang mengaitkan kondisi kesehatan tanah dengan prioritas konservasi. Penelitian ini mengevaluasi kualitas tanah, kesehatan tanah, dan estimasi erodibilitas pada dua blok kebun sawit rakyat di Sintang yang dipupuk organik dan NPK untuk menentukan faktor pembatas dan arah pengelolaan konservasi. Sampel Inceptisol (0-20 cm) diambil pada tiga titik per blok dan dianalisis untuk 12 parameter fisik, kimia, dan biologi. Indeks kualitas tanah (IKT) dihitung dengan formula Bajracharya, indeks kesehatan tanah (IKS) dengan kerangka skor berbasis literatur 11 indikator, dan erodibilitas (K) dengan nomograf Wischmeier pada beberapa skenario tekstur, struktur, dan permeabilitas. IKT berkelas sedang pada kedua blok (0,49 dan 0,50). IKS juga berkelas sedang dan hampir sama, yaitu 49,2 pada blok organik dan 49,4 pada blok anorganik (Hedges' g = −0,04; selang kepercayaan 95% −1,31 sampai 1,25). Kesetaraan itu terbentuk dari indikator yang berlawanan arah: cacing tanah, N-total, dan C-organik lebih baik pada blok organik, sedangkan P tersedia (30,7 dibanding 10,2 ppm), skor pH, dan retensi air lebih baik pada blok anorganik. Faktor pembatas di kedua blok ialah pH rendah (4,5 sampai 5,1), K-dd 0,08 sampai 0,10 cmol(+) kg⁻¹, KTK rendah, dan biomassa mikroba rendah. Estimasi K berkisar sedang sampai tinggi (0,31 sampai 0,47) bergantung pada asumsi tekstur, struktur, dan permeabilitas. Temuan ini mengarahkan konservasi pada pemeliharaan bahan organik, pemupukan K berimbang, dan perlindungan permukaan tanah. Karena setiap sistem diwakili satu kebun, hasilnya bersifat diagnostik dan perlu diverifikasi pada lebih banyak kebun.
Co-Authors Adelina, Winna Agustine, Leony Ali Akbar Alkadrie, Rachmad Hafiz Zulfifar Andini, Bella ari krisnohadi Astuty, Apriany Azzahra, Tia Tilana BAMBANG WIDIARSO Bambang Widiarso Cahyadi, Redi Darmawan Denah Suswati DENDY DETAFIANO PRAKASA AFNER Dewanti, Aplince Della Edi Suryadi, Urai Feira Budiarsyah Arief Gunawan Djajakirana Gusti Z. Anshari Idha, Aidila Indrawati, Urai Suci Kusuma, Eka Widiyawati Wijaya Manalu, Anggita Yosia Murni, Sri Dewi Najamuddin Petta Solong Nengrum, Thityn Ayu Nengsih, Helaria Setiani Rezekikasari, Rezekikasari Riduansyah Riduansyah Riduansyah Riduansyah Riduansyah, Riduansyah Rini Hazriani Rita Hayati Rizki Eko Wahyudi Romiyanto Romiyanto Romiyanto Romiyanto, Romiyanto Rossie Wiedya Nusantara Saputra, Riobertus Yuvan Sari, Rizka Mawaddah Sri ApriyanI SUHAIMI SUHAIMI Suprianus Nawang Tia Setiawati Tri Tiana Ahmadi Putri Ulfia Fadilla Urai Suci Yulies Vitri Indrawati Wibowo, Sigit Sapto Yuniasih, Indah Maulida