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Optimizing The Growth of Corn Plant (Zea mays L) Local Variety of North Sumatera, which has been Irradiated with Gamma-Rays M1 with Urea Fertilizer Application Musthofa, Nurul; Mustamu, Novilda Elizabeth; Sitanggang, Kamsia Dorliana; Triyanto, Yudi
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Vol. 7 No. 1 (2025): Jurnal Agronomi Tanaman Tropika (JUAT
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v7i1.4233

Abstract

Corn (Zea mays L.) is the second most important food crop after rice and is a cereal crop that grows in various regions worldwide. Local varieties of corn in North Sumatra require high nutrient levels for optimal cultivation, particularly nitrogen (N), which is commonly supplied through urea fertilizer. The high demand for nitrogen in urea often leads farmers to apply it in inappropriate doses, resulting in several agronomic issues. This study aims to evaluate the growth of local varieties of corn in North Sumatra in response to different doses of urea fertilizer. The research was conducted in the experimental field in Perbaungan Village, Hulu Bilah District, Labuhanbatu Regency, North Sumatra, from December 2024 to February 2025. A Non-Factorial Completely Randomized Design (CRD) was employed, consisting of five treatment levels, each repeated four times. The urea fertilizer doses applied were as follows: control (no treatment), 2 g/polybag, 4 g/polybag, 6 g/polybag, and 8 g/polybag. The results indicate that varying doses of urea fertilizer significantly influence the growth of local North Sumatra corn plants, particularly in plant height and stem diameter. The optimal dose of urea fertilizer for promoting the development of these corn plants is determined to be 4 g/polybag.
EVALUATION OF LAND SUITABILITY FOR OIL PALM (ELAEIS QUINEENSIS JACQ) IN TANJUNG SIRAM VILLAGE BILAH HULU DISTRICT LABUHANBATU Ahmad Ridho Tambunan; Fitra Syawal Harahap; Yudi Triyanto; Badrul Ainy Dalimunthe
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 1 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i1.2591

Abstract

Currently, the government continues to encourage the development of oil palm plantation areas with the aim of boosting domestic economic activity. Tanjung Siram has a large area of land and has the potential to be developed into plantations, especially oil palm plantations. This regency has a land area of 1056 ha. Therefore, an evaluation of land suitability needs to be carried out in order to know the actual and potential land suitability class recommendations for oil palm plantations in that village. The stages in the research included secondary data collection, pre-survey, main survey and soil analysis in the laboratory. Land suitability classification is done by matching method. From the research results it is known that the limiting factors in the actual land suitability class at the study site were temperature, water availability, nutrient retention, and erosion hazard. After improvements have been made with good land management, the land suitability class can be increased with a potential land suitability class, which was previously classified as S3, increased to S2, and previously classified as S2, can be increased to S1. Thus, to obtain good oil palm growth in this region, it is necessary to improve the limiting factors on each land.
IDENTIFICATION OF PALM OIL PROCESSING AT PT. ASAM JAWA PKS Febri Handika; Khairul Rizal; Yudi Triyanto; Hilwa Walida
Multidiciplinary Output Research For Actual and International Issue (MORFAI) Vol. 5 No. 2 (2025): Multidiciplinary Output Research For Actual and International Issue
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54443/morfai.v5i2.2804

Abstract

This study aims to determine the analysis of the palm oil processing identification process at PT. Asam Jawa in South Labuhanbatu Regency. The determination of the research location was done intentionally (purposive). The subjects of the study were the parties involved in the study, namely PT. Asam Jawa and the object of the study was the production of crude palm oil. Data collection was carried out using historical data methods and literature studies. The results of the study showed that the palm oil processing process starts from (a) fruit harvesting; (b) transportation of FFB; (c) receipt and sorting of FFB; (d) boiling station (Sterilizer); (e) threshing station; (f) pressing station; and (g) purification station (Clarification Station)
PELATIHAN PEMBUATAN PUPUK ORGANIK CAIR DARI KOTORAN SAPI YANG DI FERMENTASI SECARA ANAEROB Mustamu, Novilda Elizabeth; Triyanto, Yudi; Rizal, Khairul
MINDA BAHARU Vol 9, No 1 (2025): Minda Baharu
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/jmb.v9i1.7111

Abstract

Salah satu permasalahan yang dihadapi oleh Masyarakat Desa Tanjung Medan adalah kurangmya pengetahuan mengelola limbah kotoran ternak sapi menjadi pupuk organik cair. Pupuk organik cair merupakan bahan pembenah tanah yang paling baik dan alami dibandingkan dengan pupuk anorganik. Kualitas pupuk organik cair harus memenuhi standar mutu atau persyaratan teknis minimal pupuk organik. Kegiatan pengabdian kepada masyarakat yang dilakukan di Desa Tanjung Medan, Kecamatan Bilah Barat, Kabupaten Labuhanbatu, Provinsi Sumatera Utara bulan Juli 2022 sampai dengan Agustus 2022 dengan tujuan adalah untuk memberikan informasi dan melakukan pembuatan pupuk organik cair dari kotoran sapi secara fermentasi anaerob kepada para petani. Sampel pupuk organik cair dari fermentasi kotoran sapi dianalisis di Laboratorium Analitik PT. Socfin Indonesia. Data tersebut dibandingkan dengan Baku Mutu Pupuk organik cair (SNI) dari Permentan No.261/Kpts/SR.310/M/4/2019. Hasil analisis laboratorium menunjukkan bahwa fermentasi kotoran sapi mempunyai C/N Ratio 5,766; pH 7,31 yang memenuhi standar mutu, namun kandungan hara makro N, P, K masih dibawah standar mutu.
PERKECAMBAHAN BEBERAPA GENOTIPE KEDELAI (GLYCINE MAX) DENGAN PEMBERIAN BEBERAPA ZAT PENGATUR TUMBUH ALAMI Alsas Harahap, Renzya Fatwa; Sitanggang, Kamsia Dorliana; Triyanto, Yudi; Yusida Saragih, Siti Hartati; Harahap, Dahrul Aman
Agros Journal of Agriculture Science Vol 23, No 2 (2021): edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v23i2.1399

Abstract

Kebutuhan kedelai di indonesia meningkat setiap tahun, sejalan dengan pertumbuhan penduduk. Pada pertanian kedelai yang dilakukan masyarakat masih sedikit inovasi untuk meningkatkan hasil produksi. Dipercaya dengan menggunakan varietas unggul dan zat pengatur tumbuh dapat meningkatkan kualitas dan hasil produksi. Penelitian ini dilaksanakan di Lahan pribadi mahasiswa Fakultas Sains dan Teknologi Universitas labuhanbatu yaitu di kelurahan cendana atas dengan ketinggian 0-700 meter diatas permukaan laut, pada bulan mei 2021 sampai dengan selesai. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) faktorial yang terdiri dari 2 faktor. Data dianalisis dengan analisis sidik ragam, sidik ragam yang nyata dilanjutkan dengan menggunakan Uji Jarak Berganda Duncan dengan taraf  α = 5%. Hasil penelitian menunjukkan bahwa perlakuan varietas V3 (devon 1) memberikan pengaruh signifikan terhadap V1, V2, dan V4. Perlakuan ZPT (Z2, Z3, Z5, dan Z6) memberikan pengaruh signifikan terhadap Z0, Z1, dan Z4 sedangkan (Z2, Z3, Z5, Z6) tidak berpengaruh nyata. Pada interaksi Varietas dan ZPT alami memberikan pengaruh signifikan (berpengaruh nyata). Pada parameter jumlah daun dengan perlakuan ZPT berpengaruh signifikan, yaitu perlakuan Z0 berpengaruh nyata terhadap Z5, Z6, Z3, dan Z2. Z0 berpengaruh tidak nyata pada Z1 dan Z4.sedangkan Z5 dan Z6 berpengaruh nyata pada Z2 dan berpengaruh tidak nyata pada Z3.
ANALISIS EFEKTIVITAS PROGRAM USAHA AGRIBISNIS PERDESAAN (PUAP) SERTA DAMPAKNYA TERHADAP TINGKAT PENDAPATAN PETANI (STUDI KASUS PADA GABUNGAN KELOMPOK TANI BINA SEJATI) Rizal, Khairul; Yusida Saragih, Siti Hartati; Triyanto, Yudi; Sitanggang, Kamsia Dorliana
Agros Journal of Agriculture Science Vol 24, No 1 (2022): edisi Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v24i1.1486

Abstract

Kajian ini bertujuan untuk: (1) mengetahui seberapa besar efektivitas dana PUAP terhadap tingkat pendapatan dalam pengentasan kemiskinan di Bina Sejati Tebing Tinggi Kecamatan Pangkatan, (2) menganalisis dan mengetahui tingkat pendapatan Usahatani Gapoktan Bina Sejati di Tebing Tinggi Kecamatan Pangkatan sebelum dan sesudah menerima bantuan PUAP. Hasil penelitian: efektivitas pendanaan program PUAP sangat efektif dan baik, hal ini dapat dilihat dari hasil uji F 12,407 dengan taraf signifikan 0,000 sedangkan nilai F tabel adalah 2,052. Jika dibandingkan nilai uji F (12,407) > Ftabel (2,052) pada 5%, disimpulkan bahwa secara simultan variabel efektivitas dan program PUAP berpengaruh positif. Peningkatan pendapatan Kelompok Tani Bina Sejati di Teluk Sentosa setelah menerima dana PUAP dapat diketahui dari tabel t untuk variabel efektivitas sebesar 2,663 dan program PUAP sebesar 1,270 dengan nilai signifikan untuk masing-masing variabel bebas (2,052); (0,073). Untuk nilai t tabel dalam statistik distribusi t tabel dengan taraf uji = 5% dan df1 = 27 sebesar 2,052. Berdasarkan kriteria bahwa jika nilai t hitung > t tabel); yaitu (2,663>2,061) (1,290>2,052) dapat disimpulkan bahwa variabel efektivitas secara parsial berpengaruh positif dan signifikan terhadap tingkat pendapatan. Kata kunci : tingkat pendapatan, program PUAP
Discriminating Estate and Smallholder Agricultural Systems Using a Multi-Sensor Agriculture-Weighted Object-Based Classification Framework in Tropical Landscapes Triyanto, Yudi; Siregar, Jerry Maulana; Sari, Risna Maya; Juledi, Angga Putra
Agro Bali : Agricultural Journal Vol 8, No 3 (2025)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37637/ab.v8i3.2530

Abstract

The transformation of tropical landscapes due to agricultural expansion constitutes a significant global environmental challenge. Current land-cover classification methods, however, provide limited differentiation among agricultural management systems. This study develops an agriculture-focused land-cover classification workflow that fuses Landsat 9 optical imagery and PALSAR-2 L-band SAR across a ≈2,500 km² study area in Jambi Province, Sumatra, Indonesia, to enhance discrimination of crop systems and improve spatial coherence via object-based enhancement. A 22-class land-cover taxonomy was supported by 14,029 strategically collected training points. Feature engineering produced 29 predictor variables, including conventional vegetation indices, agricultural-specific metrics, water indicators, and SAR-derived structural features. Models were evaluated on an independent test dataset comprising 4,209 samples. An agriculture-weighted Random Forest classifier with strategic class weighting was implemented and followed by Simple Linear Iterative Clustering (SLIC) object-based enhancement to suppress speckle and enforce spatial contiguity. The classification achieved an overall accuracy of 53.7%, with exceptional performance for estate crop systems (F1 = 94%) and reliable forest discrimination. SLIC reduced salt-and-pepper noise by 99.5% and substantially improved spatial coherence metrics, transforming fragmented pixel-based outputs into operationally viable products. Despite these gains, discriminating smallholder mosaics remains challenging and likely requires additional temporal or higher-resolution inputs.
Co-Authors Ade Parlaungan Nasution, Ade Parlaungan Ahmad Ridho Tambunan Alsas Harahap, Renzya Fatwa Amos Poplius Sihombing Asnan Siregar Badrul Ainy Dalimunthe Badrul Ainy Dalimunthe Bintari Indrian Syahputra Cristopher, Samuel Dahrul Aman Harahap Delsa Pramadani Dini Hariyati Adam Edi Indra Gunawan Erlinda Sari Ritonga Febri Handika Fitra Syawal Harahap Fitra Syawal Harahap Fitra Syawal Harahap, SP. M.Agr (Scopus ID : 57209419315) Harahap, Puja Supiah Hasibuan, Andri Syahputra Hery Widijanto Hilwa Walida Hilwa Walida Hilwa Walida Hilwa Walida Januardi Rosyidi Lubis, Jujuaningsih Jujuaningsih Juledi, Angga Putra Kamsia Dorliana Sitanggang Kamsia Dorliana Sitanggang Khairul Rizal Khairul Rizal Masrizal Masyuda Pratama Meilanda Sormin, Siti Yuli Mira Handayani Siregar Muhammad Arrahman Muhammad Fahrur Rozi Harahap Mustamu, Novilda Elizabeth Mustamu, Novilda Elizabeth Musthofa, Nurul Nasution, Zulfikar Novilda Elizabeth Novilda Elizabeth Mustamu Pasbon Siburian Rahmad Husna Raja Aminuddin Siregar Ricca Sari Riski Nuria Tambunan Risna Maya Sari Risna Maya Sari Rizal, Khairul Romadani Saragih Sarah Kristi Pertiwi Sarah Kristi Pertiwi Sari, Risna Maya Sepriani, Yusmaidar Sinaga, Febrita Damena Siregar, Jerry Maulana Siregar, Raja Aminuddin Sitanggang, Kamsia Dorliana Siti Hartati Yusida Saragih Siti Hartati Yusida Saragih Siti Yuli Meilanda Sormin Sormin, Siti Yuli Meilanda Sri Maharani Sri Rahayu Sri Wahyuni Syaiful Zuhri Harahap Tanjung, Akhir Abadi Widya Lestari Windy Ade Setiawan Yusida Saragih, Siti Hartati Yusmaidar Sepriani Zahlul Ikhsan Zamzami, Lutfi Fadillah