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All Journal Jurnal Pertanian Agros Jurnal Pembelajaran dan Biologi Nukleus Jurnal Agroplasma Agro Bali: Agricultural Journal Community Development Journal: Jurnal Pengabdian Masyarakat JES-TM Social and Community Service
Sari, Risna Maya
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Public Health Other

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Pengaruh Pemberian Pupuk Kimia NPK dan Pengaturan Jarak Tanam Terhadap Pertumbuhan dan Produksi Tanaman Kacang Panjang (Vigna sinensis L.) Sormin, Siti Yuli Meilanda; Hasibuan, Andri Syahputra; Tanjung, Akhir Abadi; Sari, Risna Maya; Triyanto, Yudi
JURNAL AGROPLASMA Vol 11, No 2 (2024): JURNAL AGROPLASMA VOLUME 11 NO 2 TAHUN 2024
Publisher : UNIVERSITAS LABUHANBATU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/agroplasma.v11i2.6392

Abstract

The purpose of this research was to determine the effect of fertilizer and plant spacing on the growth and yield of long beans. Plant spacing and fertilizer application were carried out to obtain optimal results. This research was conducted on the land of Balimbing Tonga, Padang Bolak Julu, North Padang Lawas Regency, North Sumatra from May to July. The research was conducted using the Experimental method Factorial Randomized Block Design with 2 factors and 3 replications. The results showed that the dose of fertilizer and planting distance did not have asignificant effect on fruit weight and root weight. The results of the Analysis of Variance (ANOVA) test showed a significant interaction between the fertilizer treatments. There is a significant interaction between fertilizer treatment and spacing on the parameters of plant height, number of fruits, number ofleaves, and root weight. Keywords: string beans, npk fertilizer, plant spacing, production
Circular Economy in Agriculture: Examining Factors Affecting People's Intention to Use Organic Fertilizer Sari, Risna Maya; Karimi, Karimi; Sormin, Siti Yuli Meilanda
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i1.6535

Abstract

Examining the variables that affect people's intentions to use organic fertilizer in agriculture is the aim of this study. By identifying these factors, it is expected to provide a better understanding of what encourages or hinders people in using organic fertilizers. The findings of this study will significantly aid in the formulation of plans and regulations that can promote the use of organic fertilizers and the adoption of a circular economy in the field of agriculture. Methods This research is designed as an explanatory research that can explain the method of testing a theory to strengthen or reject the research hypothesis. Therefore, the explanatory approach is very suitable to be used in this research in accordance with the research objectives. The data in this study consisted of primary data collected using a questionnaire. To examine the behavioral components of this study, researchers employed the Partial Least Square (PLS) method in conjunction with Structural Equation Modeling (SEM). The urgency of this study arises from the pressing need to address environmental degradation, resource scarcity, and unsustainable agricultural practices. Therefore, it is important to implement agricultural practices that prioritize sustainability aspects, one of the solutions is the widespread use of organic fertilizers in the community. The study's findings indicate that farmers' intentions to utilize organic fertilizer are influenced by social, institutional, and economic factors
PENGUJIAN BEBERAPA AKSESI KACANG PANJANG TERHADAP CEKAMAN SALINITAS Meilanda Sormin, Siti Yuli; Sari, Risna Maya; Triyanto, Yudi; Siregar, Raja Aminuddin; Siregar, Jerry Maulana
Agros Journal of Agriculture Science Vol 26, No 1 (2024): Januari
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i1.4029

Abstract

The aim of this research was to screen several long bean accessions against salinity stress. Soil salinity has a negative effect on plant growth and productivity. Information on the response of long bean accessions is very necessary as a basis for breeding long beans that are adaptive to saline land. This research was conducted from September to December 2019 on the grounds of the Agrotechnology Innovation Center, Gadjah Mada University. The research was carried out using the Factorial Randomized Block Design experimental method with 2 factors and 3 replications. The research results show that the FB-KP 167 and FB –KP 144 accessions can be considered as plants that are resistant to salinity because their growth and productivity are higher than other accessions. The results of the Analysis of Variance (ANOVA) test showed that there was no significant difference in salinity treatment on plant height and flowering age, but there were significant differences in pod length and number of seeds per pod. Keywords: Long Beans, Resistance, Salinity Stress, Screening INTISARITujuan penelitian ini adalah untuk men-skrinning beberapa aksesi kacang panjang terhadap cekaman salinitas. Salinitas tanah berpengaruh buruk terhadap pertumbuhan dan produktivitas tanaman. Informasi respon aksesi kacang panjang sangat diperlukan sebagai dasar pemuliaan kacang panjang yang adaptif terhadap lahan salin. Penelitian ini dilakukan pada bulan September sampai dengan Desember 2019 di lahan Pusat Inovasi Agroeknologi Universitas Gadjah Mada. Penelitian dilaksanakan dengan menggunakan metode percobaan Rancangan Acak Kelompok Faktorial dengan 2 faktor dan 3 kali ulangan. Hasil penelitian menunjukkan aksesi FB-KP 167 dan FB –KP 144 dapat dipertimbangkan sebagai tanaman yang tahan terhadap salinitas karena pertumbuhan dan produktivitasnya yang lebih tinggi dibanding aksesi lainnya. Hasil uji Analysis of Variance (ANOVA) menunjukkan tidak ada beda nyata perlakuan salinitas terhadap tinggi tanaman dan umur berbunga namun terdapat beda nyata pada panjang polong dan jumlah biji perpolong. Kata Kunci : Kacang Panjang, Ketahanan, Cekaman Salinitas, Skrinning
Pelatihan Pembuatan Limbah Kotoran Ternak Menjadi Pupuk Kompos/Organik Pada Kelompok Tani- Ternak Aqiqah Desa Sidingkat Kec. Padang Bolak, Kab. Padang Lawas Utara. Sari, Risna Maya; Aminuddin Siregar, Raja; Yuli Meilanda Sormin, Siti; Abadi Tanjung, Akhir
Journal of Social and Community Service Vol. 2 No. 1 (2023): Maret 2023
Publisher : Faculty of Engineering University of Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jestmc.v2i1.65

Abstract

Applying fertilizer during the cultivation period is a must. Plants need adequate and available nutrients in order to support their vegetative and generative growth. In general, fertilizers are divided into two groups, namely: chemical fertilizers and organic fertilizers. This service was held on June 25 2022 and aims to counsel the Aqiqah farmer-livestock group regarding the technology of processing livestock manure into compost/organic fertilizer. This service activity was carried out at the Aqiqah Farmer-Livestock Group in Sidingkat Village in Padang Bolak District, North Padang Lawas. This community service activity is expected to provide benefits and add information to breeders and breeders about making livestock manure into compost/organic fertilizer. This activity is carried out by 1) Delivering material regarding the purpose and benefits of compost/organic fertilizer. 2) Demonstration of making compost/organic fertilizer. This activity was centered on 21 members of the farmer's group
TRANSFORMASI LIMBAH PETERNAKAN: PENGELOLAAN KOTORAN SAPI BERKELANJUTAN DI DESA SIPUPUS LOMBANG Siregar, Ari Rahmat; Sari, Risna Maya; Sari , Ricca; Siregar, Mulia Garang; Nasution, Firmansyah
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 5 No. 4 (2024): Volume 5 No. 4 Tahun 2024
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v5i4.31447

Abstract

Pengabdian masyarakat ini bertujuan meningkatkan wawasan masyarakat tentang potensi dan manfaat pengelolaan limbah peternakan. Program ini melibatkan pelatihan pengelolaan limbah peternakan melalui teknik pengomposan, serta pembuatan pupuk kompos berbasis limbah peternakan. Kegiatan ini diadakan di Desa Sipupus, Kecamatan Padang Bolak Julu, Kabupaten Padang Lawas Utara, pada tanggal 30 Mei - 1 Juni 2024. Metode yang digunakan meliputi pelatihan langsung dalam pembuatan pupuk kompos padat menggunakan komposter, serta evaluasi hasil melalui analisis pre-test dan post-test, wawancara dengan peserta, serta pengukuran kualitas kompos yang dihasilkan. Hasil evaluasi ini akan digunakan untuk menyusun laporan akhir kegiatan dan rekomendasi untuk keberlanjutan program. Kegiatan ini diharapkan dapat meningkatkan kapasitas peternak dalam pengelolaan limbah peternakan secara berkelanjutan dan ramah lingkungan, serta mendorong peningkatan pendapatan masyarakat melalui pemanfaatan limbah peternakan sebagai sumber daya ekonomi dan dapat menjadi katalis bagi transformasi pengelolaan limbah peternakan di daerah sasaran. Dengan pendekatan partisipatif dan pemberdayaan masyarakat, ditargetkan masyarakat dapat mengambil peran aktif dalam mengelola limbah peternakan secara berkelanjutan, sehingga dapat meningkatkan kesejahteraan masyarakat dan kelestarian lingkungan secara simultan.
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 Abadi Tanjung, Akhir Aminuddin Siregar, Raja Hasibuan, Andri Syahputra Juledi, Angga Putra Karimi, Karimi Meilanda Sormin, Siti Yuli Nasution, Firmansyah Sari , Ricca Siregar, Ari Rahmat Siregar, Jerry Maulana Siregar, Mulia Garang Siregar, Raja Aminuddin Sormin, Siti Yuli Meilanda Tanjung, Akhir Abadi Yudi Triyanto Yuli Meilanda Sormin, Siti