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Akta Agrosia
Published by Universitas Bengkulu
ISSN : 14103354     EISSN : 26157136     DOI : https://doi.org/10.31186/aa
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Akta Agrosia is dedicated to researchers or academics who intent on publishing research, scientific thinking, or other scientific ideas. The articles published in the Akta Agrosia are the author’s original works covering on Crop Production, Crop Physiology, Pest and Disease, Soil Science, Agronomy, Plant Genetics, Plant Breeding, Plant Biotechnology. Akta Agrosia is published by the Department of Crop Production, Faculty of Agriculture, University of Bengkulu, biennially in June and December. ISSN:1410-3354 (printed media) and eISSN: 2615-7136 (online media).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 3 Documents
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Search results for , issue "Vol 28 No 2 (2025):" : 3 Documents clear
Effect of PGPB Secondary Metabolites in Inducing Systemic Resistance (ISR) and Enhancing Peroxidase Activity in Tomato Plants against Meloidogyne spp. Nematode Attack Arifal, Fahkrul; Yanti, Yulmira; Sulyanti, Eri; Harni, Rita
Akta Agrosia Vol 28 No 2 (2025):
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Meloidogyne spp. nematode is important pathogen of tomato plants that causes a characteristic symptom, namely root knot. One alternative to controlling Meloidogyne nematodes is by utilizing PGPB secondary metabolites. The objective of this research is to explore the potential of secondary metabolites produced by PGPB in inducing systemic resistance (ISR) and increasing peroxidase enzyme activity in tomato plants attacked by Meloidogyne spp. This study used a completely randomized design (CRD), consisting of 11 treatments, 3 replicates. The observation parameters included Induced Systemic Resistance (ISR) Potential Test and peroxidase activity (PO) analysis. The results showed that the secondary metabolites from the Bacillus mycoides (MRSNUMBE.2.2) treatment were the best treatment in the ISR observation, which was indicated by the lowest nematode penetration rate, which was 3.66 nematodes in plant root tissue. In the observation of peroxidase activity, secondary metabolites from Bacillus waihenstephanensis (RBTLL.3.2) showed the highest peroxidase enzyme activity, which was 0.0437 µg/ml on day 7 and 0.0500 µg/ml on day 14. Keywords: induce systemic resistance, Meloidogyne spp., peroxsidase, secondary metabolites    
The Effect of Combination of Nutrition on Growth and Yield of Water Spinach Plants in NFT Hydroponic System Pangaribuan, Darwin; Fortuna, Kirana Ceri; Ramadiana, Sri; Widyastuti, RA. Diana
Akta Agrosia Vol 28 No 2 (2025):
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

A hydroponic system is a technique for growing plants without soil, utilizing water combined with nutrients as a replacement for soil.  The purpose of this research was to determine the most effective combination of treatments between AB – Mix with liquid organic fertilizer (LOF) shrimp waste extract, LOF chicken manure extract, and eco-enzyme solution in supporting the growth of water spinach plants in the NFT hydroponic system. This research applied a Randomized Block Design with four types of treatments: AB – Mix 100% as a control, AB – Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 0 ml/l eco enzyme solution, AB – Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 1 ml/l eco enzyme solution, AB – Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 2 ml/l eco enzyme solution.. The results showed that the combination of AB-Mix with shrimp waste extract, chicken manure extract, and eco-enzyme produced the best results for hydroponic water spinach plants. This study showed the potential of using organic waste as an alternative nutrient from the treatment of AB-Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 0 ml/l eco-enzyme solution, AB-Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 1 ml/l eco-enzyme solution, and AB-Mix 75% + 15% shrimp waste extract + 10% chicken manure extract + 2 ml/l eco-enzyme solution gave the best results for hydroponic water spinach plants. This study shows the potential for using organic waste as an alternative source of nutrients. Keywords: chicken manure, eco-enzyme, hydroponic NFT, shrimp waste, water spinach
Evaluation of Land Suitability in Other Use Areas for Local Avocado Production In Muntok Sub-District, West Bangka Regency Ningsih, Riski Meliya; Pradana, Adhitya Vishnu; Barokah, Abi; Muthi, M. Fiu
Akta Agrosia Vol 28 No 2 (2025):
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

The limited availability of fertile land in Bangka Island, driven by the high rate of land conversion and the persistent impacts of mining activities, has become increasingly critical. This condition has intensified the urgency to utilize Other Use Areas (APL) for the development of high-economic-value commodities. This study aims to evaluate the potential and suitability level of APL in Muntok Sub-district, West Bangka Regency, as a cultivation site for local avocado (Persea americana). The method used was a descriptive survey with a spatial approach employing Geographic Information Systems and Land Suitability Evaluation (FAO Matching Method). Analysis was conducted on a total of 3,029 hectares of APL by measuring bio-physical soil parameters (pH, organic carbon, drainage) and climate data, which were then matched with optimal growth criteria for avocado. The land suitability evaluation results showed that the study area has no Very Suitable (S1) class. The land was dominated by Moderately Suitable (S2) class covering 66.55% and Marginally Suitable (S3) class covering 20.30%, while 13.15% was classified as Not Suitable (N). Although agroclimatic factors were within optimal limits (S1), edaphic factors were the most critical limiting factors. The main constraint was very low organic carbon content (average 1.18–1.71 g.kg⁻¹) and acidic soil reaction (pH 4.5–5.4), which collectively inhibit nutrient uptake by plants. It is concluded that the potential of APL in Muntok can be significantly improved from S2/S3 to an actual suitability class of S1. The implication of this study is a strategic recommendation for policymakers and farmers to prioritize specific interventions, namely liming to remediate acidity and intensive application of organic materials to enhance soil fertility, thereby supporting sustainable horticulture diversification programs, especially with avocado, in West Bangka. Keywords: acidity remediation, descriptive survey, edaphic factors, land conversion, land limitation

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