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All Journal Kultivasi SAINS TANAH - Journal of Soil Science and Agroclimatology Jurnal Kridatama Sains dan Teknologi Responsive: Jurnal Pemikiran dan Penelitian Administrasi, Sosial, Humaniora dan Kebijakan Publik Journal of Applied Agricultural Science and Technology Journal of Business Economics and Agribusiness
Sari, Stefina Liana
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Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Influence of phosphate and boron addition to mixed liquid fertilizer on the growth and yield of red chili cultivated in the subsoil layer Sari, Stefina Liana; Sofyan, Emma Trinurani; Solihin, Eso
Kultivasi Vol 23, No 2 (2024): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v23i2.53370

Abstract

This study assesses the impact of adding phosphate and boron in a mixed liquid fertilizer (MLF)  on the growth and yield of red chili plants cultivated in a subsoil environment. The experiment was conducted to comprehend how these nutrients affect the performance of red chili plants, particularly when cultivated in less ideal conditions such as subsoil, a remnant of excavation for brick production. The research was carried out at the Ciparanje Garden of the Faculty of Agriculture, Universitas Padjadjaran. The research design employed a Randomized Completely Block Design with the following treatments: A = Control (degraded soil without fertilizer), B = 0% MLF + 1 NPK, C = 0.25% MLF + 1 NPK, D = 0.50% MLF + 1 NPK, E = 0.75% MLF + 1 NPK, F = 1.00% MLF + 1 NPK, G = 0.5% MLF + 3/4 NPK, H = 0.5% MLF + 1/2 NPK, I = 0.5% MLF + 1/4 NPK, J = 0.5% MLF + 0 NPK, and K = 1 NPK in normal soil. The results revealed that the addition of phosphate and boron in MLF significantly influenced the growth and yield of red chili in subsoil conditions. The recommended MLF concentration was 0.75%, alongside the standard NPK dose. These findings provide crucial insights for the development of more efficient and sustainable agricultural practices, especially in challenging soil conditions like subsoil, where nutrient availability can be a determining factor for agricultural success. 
Acceleration of Organic Waste Decomposition: A Comparative Study of ASEM-7 Decomposer Efficiency on Several Organic Wastes Khalisha, Ana; Sari, Dwi Novanda; Sari, Stefina Liana; Sukmadewi, Rani; Pradipta, Adi Surya; Istyami, Astri Nur
Journal of Applied Agricultural Science and Technology Vol. 9 No. 2 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i2.394

Abstract

Effective organic waste decomposition is vital for sustainable waste management and agricultural productivity. This study investigates the efficacy of ASEM-7—a newly developed decomposer comprising a consortium of seven microorganisms—in accelerating the composting process and enhancing compost quality across various types of organic waste. Five treatment groups were evaluated: paddy straw; animal manure; fruit and vegetable waste; a mixture of fruit and vegetable waste with straw; and a combination of fruit, vegetable waste, straw, and manure. During the decomposition process, key physicochemical parameters— including pH, temperature, moisture content, organic carbon (C-organic), total nitrogen (N-total), and the carbon-to-nitrogen (C/N) ratio—were systematically monitored. The results demonstrated that ASEM-7 significantly enhanced composting efficiency compared to both EM-4 and control (no-decomposer) treatments, achieving optimal pH stabilization (7–8) at a faster rate. Additionally, ASEM-7 reduced moisture content and C/N ratios more effectively, indicating a higher degree of compost maturity. Compost treated with ASEM-7 also exhibited the lowest levels of organic carbon, reflecting superior decomposition efficiency. Although temperature levels remained below the threshold required for effective pathogen elimination, microbial activity successfully facilitated nutrient recycling. The microbial consortium—comprising Bacillus sp., Lactobacillus sp., and Trichoderma sp.—demonstrated high efficacy in degrading recalcitrant organic materials such as straw and manure, thereby improving the compost's nutrient composition. By meeting key compost quality standards—organic carbon (≥15%), total nitrogen (≥0.5%), and a C/N ratio of 15–25—ASEM-7 effectively converts organic waste into high-quality compost. These findings underscore the importance of tailored microbial consortia in advancing sustainable waste management practices and enhancing soil fertility.
KEARIFAN LOKAL MASYARAKAT PESISIR ACEH KENDURI LAUT DALAM PERSPEKTIF KETAHANAN BUDAYA MELALUI PROSES PENGARSIPAN DIGITAL Dhahiyat, Ahmad Prawira; Destrian, Ope; Kristiadhi, Fanny; Junirahma, Nur Sakinah; Sari, Stefina Liana
Responsive: Jurnal Pemikiran Dan Penelitian Administrasi, Sosial, Humaniora Dan Kebijakan Publik Vol 8, No 1 (2025): Responsive: Jurnal Pemikiran Dan Penelitian Administrasi, Sosial, Humaniora Dan
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/responsive.v8i1.62257

Abstract

Studi ini bertujuan untuk menganalisis manifestasi kearifan lokal masyarakat pesisir Aceh yang tercermin dalam tradisi Kenduri Laut, dengan fokus pada implikasinya terhadap ketahanan budaya. Pendekatan penelitian kualitatif dengan pendekatan library research digunakan untuk mengumpulkan data melalui studi literatur, dan analisis dokumen. Penelitian ini berupaya mengeksplorasi bagaimana tradisi Kenduri Laut, sebagai praktik budaya yang diwariskan secara turun-temurun, berkontribusi pada pelestarian nilai-nilai luhur dan keberlanjutan lingkungan di wilayah pesisir Aceh. Temuan penelitian menunjukkan bahwa Kenduri Laut berfungsi sebagai wahana konservasi lingkungan laut melalui nilai-nilai yang terintegrasi dalam ritualnya. Tradisi ini mengedukasi masyarakat mengenai pentingnya menjaga ekosistem laut dari praktik-praktik destruktif seperti pengeboman ikan dan pencemaran laut. Kenduri Laut berperan signifikan dalam memperkuat ketahanan budaya masyarakat pesisir Aceh, tercermin dalam partisipasi masyarakat dan pemerintah daerah dalam upaya pelestarian melalui Festival Khadori Laot. Program-program berfokus melestarikan tradisi, dan mempromosikan kesadaran pentingnya menjaga keseimbangan ekosistem laut. Konsep ketahanan budaya dalam konteks dioperasionalkan melalui komitmen masyarakat dan pemerintah untuk memelihara warisan budaya. Kemudian Dinas Pariwisata dan Kebudayaan setempat mengimplementasikan visi dan misi untuk memperkuat ketahanan budaya Kenduri Laut melalui adaptasi perayaan menyesuaikan dinamika zaman sehingga memberikan arsip digital. Studi ini menyimpulkan bahwa Kenduri Laut representasi kearifan lokal religious berkontribusi pada konservasi lingkungan dan ketahanan budaya masyarakat pesisir Aceh melalui electronic recordkeeping untuk menjaga eksistensi budaya masyarakat setempat.
Pengaruh Kombinasi Pupuk Makro Majemuk Cair dengan Pupuk NPK Terhadap Pertumbuhan dan Hasil Tanaman Jagung (Zea Mays L) Solihin, Eso; Sudirja, Rija; Sari, Stefina Liana
Jurnal Kridatama Sains dan Teknologi Vol 7 No 02 (2025): Jurnal Kridatama Sains dan Teknologi
Publisher : Universitas Ma'arif Nahdlatul Ulama Kebumen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53863/kst.v7i02.1767

Abstract

Fertilization is a key factor in enhancing crop productivity, primarily through the provision of essential nutrients. The application of compound fertilizers containing macronutrients, either as an alternative or a complement to single-nutrient fertilizers, is expected to improve fertilization efficiency and support sustainable crop yields. This study aimed to evaluate the effect of combining macronutrient NPK compound fertilizer with single-nutrient fertilizers—nitrogen (N), phosphorus (P), and potassium (K)—on plant growth and yield, as well as to determine the optimal dosage. The experiment was conducted from December 2024 to April 2025 using a randomized complete block design (RCBD) with nine treatments and three replications. The treatments included: a control (no fertilizer), single NPK fertilizers (300 kg/ha Urea, 150 kg/ha SP-36, 100 kg/ha KCl), combinations of NPK with compound fertilizer at different dosages (½, 1, and 1½), and compound fertilizer alone (4 L/ha). The results revealed that the combination of N, P, and K with compound fertilizer significantly enhanced plant growth and yield. Among all treatments, treatment E (NPK + 1½ doses of compound fertilizer) resulted in the highest maize yield
Uji Kompatibilitas dan Uji Stabilitas Formula Super Dekomposer Cair Ramah Lingkungan Angelina, Theresia; Sari, Stefina Liana
Journal of Business Economics and Agribusiness Vol. 2 No. 4 (2025): August
Publisher : Indonesian Journal Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47134/jbea.v2i4.868

Abstract

Masalah limbah organik di Indonesia menjadi perhatian serius karena berkontribusi terhadap pencemaran lingkungan dan kesehatan masyarakat. Penelitian ini bertujuan untuk mengembangkan formula Super Dekomposer Cair Ramah Lingkungan yang berfungsi sebagai pengurai sampah organik. Formula ini mengombinasikan mikroorganisme seperti Streptomyces sp, Aspergillus sp, Pseudomonas sp, Saccharomyces sp, Lactobacillus sp, Trichoderma sp, dan Penicillium sp. Metode yang digunakan pada penelitian ini meliputi pengujian kompatibilitas dan stabilitas. Hasil menunjukkan bahwa formulasi yang dirancang secara kompatibilitas, ketujuh mikroorganisme yang tergolong bakteri dan jamur dapat hidup berdampingan, saling kompatibel, dan mampu bersinergi sedangkan secara stabilitas, ketujuh mikroorganisme tersebut memiliki aktivitas biologis yang baik setelah disimpan selama satu bulan, memiliki aktivitas mikroorganisme yang baik ditandai dengan perubahan pH menjadi asam selama proses fermentasi dan mampu mendegradasi bahan-bahan organik secara optimal. Dapat disimpulkan bahwa produk ini berpotensi sebagai alternatif dekomposer yang efisien dan ramah lingkungan, terutama bagi petani skala kecil dan rumah tangga serta dapat mendukung pertanian berkelanjutan dan sistem pengelolaan limbah yang lebih efisien.
Chemical properties analysis of liquid and semi-solid bioconversion products from organic waste and their effects on soil fertility and sweet corn yield Sofyan, Emma Trinurani; Sari, Stefina Liana; Rohman, Saefur; Permana, Indra; Budiarto, Rahmat; Ghorbanpour, Mansour; Anindita, Sastrika
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 1 (2025): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i1.95664

Abstract

Food security remains a critical global challenge, particularly as land degradation, driven by excessive use of synthetic fertilizers, continues to threaten soil fertility and crop productivity. This study aimed to evaluate the characteristics of liquid and semi-solid fermented organic waste and their effects on several soil chemical properties and sweet corn yield. The experiment was conducted in a corn field in Pagerwangi Village, West Java, Indonesia. The experiment used a Split-Plot Design with three replications. The main plot was the fermented waste product treatment, which consisted of three levels: no product (A0), liquid product (A1), and semi-solid product (A2). The subplot was the N-P-K dose level, which consisted of four levels: 0 N-P-K (a0), 1/2 N-P-K dose (a1), 3/4 N-P-K dose (a2), and standard N-P-K dose (a3). The research findings indicated that the macro and microelements present in semi-solid products were several times higher compared to liquid ones. Furthermore, the microbial population in semi-solid products exhibited higher density compared to liquid products. Field tests also demonstrated that both liquid product (A1) and semi-solid product (A2) significantly increased total nitrogen, organic-C, and soil pH compared to the control (A0). The highest sweet corn productivity was observed in treatment A2, with a yield increase of 47.62% compared to the control. The research results suggested that the use of fermented organic waste products could enhance soil fertility and sweet corn production.
Restoring subsoil degradation with mixed fertilizer-conditioner: A case study on red chili pepper (Capsicum annuum) cultivation Sari, Stefina Liana; Khuong, Nguyen Quoc; Sofyan, Emma Trinurani; Rohman, Saefur; Budiarto, Rahmat; Solihin, Eso
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 22, No 2 (2025): December
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v22i2.97637

Abstract

The loss of topsoil in high-rainfall regions significantly reduces agricultural productivity, especially in degraded soils. This study investigated the effects of Mixed Fertilizer-Conditioner (MFC) on improving the chemical properties of subsoil cultivated with red chili peppers. A Randomized Block Design (RBD) with 11 treatments on subsoil and one control on normal soil was implemented, with three replications. The treatments included: A= subsoil without fertilizer, B= 0% MFC + full NPK, C= 25% MFC + full NPK, D= 50% MFC + full NPK, E= 75% MFC + full NPK, F= 100% MFC + full NPK, G= 50% MFC + 75% NPK, H= 50% MFC + 50% NPK, I= 50% MFC + 25% NPK, J= 50% MFC without NPK, and K= Full NPK on normal soil. The application of 100% MFC combined with full NPK significantly enhanced subsoil chemical properties. Soil organic carbon increased to 1.32%, pH rose to 6.3, CEC reached 22.1 cmol kg⁻¹, and base saturation improved to 49.4%. Nutrient availability also increased, including total N (1.21%), P (0.132%), K (0.677 cmol kg⁻¹), along with Ca (1362.72 ppm), Mg (311.04 ppm), and S (36.01 ppm). Micronutrients B, Co, and Zn also rose to 4.41 ppm, 18.95 ppm, and 11.97 ppm, respectively. Chili yields in subsoil treated with 50–100% MFC and full NPK exceeded 10 tons ha⁻¹. These results highlight the agronomic potential of MFC for rehabilitating degraded soils and recommend its use as a sustainable strategy to enhance soil fertility in low-fertility or erosion-prone areas, with implications for both farmers and agricultural policymakers.
Co-Authors Angelina, Theresia Anindita, Sastrika Dhahiyat, Ahmad Prawira Emma Trinurani Sofyan Eso Solihin Ghorbanpour, Mansour Indra Permana, Indra Istyami, Astri Nur Junirahma, Nur Sakinah Khalisha, Ana Khuong, Nguyen Quoc Kristiadhi, Fanny Ope Destrian Pradipta, Adi Surya Rahmat Budiarto Rija Sudirja Rohman, Saefur Sari, Dwi Novanda Sukmadewi, Rani