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Dr. Achmad Amzeri, SP. MP.
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Agrovigor: Jurnal Agroekoteknologi
Published by Universitas Trunojoyo Madura
ISSN : 1979577     EISSN : 24770353     DOI : https://doi.org/10.21107/agrovigor
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Agrovigor: Jurnal Agroekoteknologi is a scientific paper in the field of science Agroecotechnology which include: plant science, soil science, plant breeding, pest and plant diseases.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
 1 
Search results for , issue "Vol 18, No 2 (2025): In press" : 6 Documents clear
Strategy for sustainable development of smallholder cocoa plantations in North Luwu Regency, South Sulawesi Abdullah, Abdullah; Haris, Abdul; Hidayat, Dadan; Ali, Hamed Norolla Bakheet
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.28957

Abstract

North Luwu Regency is the largest cocoa producer in South Sulawesi Province; however, the productivity and quality of its cocoa products are still relatively low. The challenges faced are very complex, involving both internal and external factors. To overcome these challenges, a comprehensive approach with the right strategy is needed.The goal is to realize sustainable community cocoa plantation development.This study aims to formulate alternative strategies for sustainable community cocoa plantation development in North Luwu Regency. The study employs IFE, EFE, and SWOT analysis to assess the management of community cocoa plantations. The results indicate that the sustainability of community cocoa plantations is threatened by internal weaknesses and significant external threats. This study proposes a defensive strategy that includes the identification and mitigation of internal weaknesses and the proactive anticipation of external threats. The implementation of this strategy necessitates collaborative and coordinated efforts among local governments, which function as the primary leaders in the upstream sector, cocoa stakeholders, who serve as leaders in the downstream sector, and farmers, who act as the primary agents.Keywords: Strategy; Smallholder Cocoa Plantation;  Sustainability  SWOT; North Luwu  Regency
Selection of maize lines resistant to drought stress using PEG 6000 in the vegetative phase Arifin, Nur Iman; Suhartono, Suhartono; Amzeri, Achmad; Umam, Ahmad Syaiful
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30743

Abstract

Selection of maize lines for drought stress is the initial step in developing maize varieties with high production characteristics and resistance to drought stress. The research aims to determine the characteristics of maize lines in the vegetative phase and to select for resistance of maize lines in the vegetative phase using PEG 6000. The research used a Randomized Complete Block Design (RCBD), which was arranged factorially with three replications and two treatments. The number of treatments in this study was 40 treatment combinations, so there were 120 experimental units. Factor I was genotype, and factor II was the giving of PEG-6000 solution. All maize lines were planted in polybags measuring 20 x 20 cm. There are two levels of PEG 6000 solution treatment: 0% concentration (optimum condition) and 10% concentration, which is equivalent to -0.19 Mpa (drought stress condition)  (Mexal et al., 1975). When the plants are 10 days after planting (DAP), drought stress is applied using a 10% concentration of PEG 6000 solution. The observed characters were plant height, root length, leaf area, leaf chlorophyll, plant wet weight, and plant dry weight.  The research results showed that drought stress treatment mostly reduced the character values of plant height, root length, leaf area, leaf chlorophyll, plant wet weight, and plant dry weight. All tested lines showed significant differences in all tested characters against optimum condition treatments and drought stress. The lines resistant to drought stress were G4, G9, G11, G13, G14, G15, G16, G17, and G19.
Nematode communities in irrigated and rainfed rice fields in Sukabumi Regency, West Java Munif, Abdul; Sitanggang, Della; Fatimatuzzahroh, Fatimatuzzahroh; Mirsodi, Muhammad; Kusumawardhani, Amelia; Indiyanti, Nurul Fitria
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30451

Abstract

Rice (Oryza sativa L.) is the main staple crop in Indonesia. This study aims to analyze the nematode communities found in irrigated and rainfed lowland rice cultivation areas and to identify nematodes associated with rice plants in Sukabumi Regency, West Java. Nematodes were extracted from soil using the centrifugal flotation method, root samples using a mist chamber, and leaf and seed samples using a modified Baermann funnel method. Nematodes were identified based on morphological characteristics. Nematode community analysis was conducted by calculating absolute population, diversity index, evenness, and dominance. Nematodes found in both irrigated and rainfed fields exhibited low diversity, low evenness, and high dominance. The nematodes in irrigated rice fields included genus Helicotylenchus, Rhabditis, Meloidogyne, Hirschmanniella, Tylenchorhynchus, Pratylenchus, and Aphelenchoides. Nematodes found in rainfed rice fields included Meloidogyne, Hirschmanniella, and Criconemella. Meloidogyne spp. was among the dominant nematodes in root and soil samples across various rice cultivation types and locations.
Feeding preferences of Spodoptera frugiperda in response to new different artificial diet formulas Megasari, Dita; Atasa, Dita; Damayanti, Denia Rista; Maulana, Arman Adrian; Najiyah, Aliyatul; Khoiri, Syaiful
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.28209

Abstract

Maize is an important food commodity that is vulnerable to pest attacks, one of which is the fall armyworm (Spodoptera frugiperda). This invasive pest targets the growing points of maize plants, leading to decreased productivity. To support biological research on this pest, the development of artificial diets is crucial due to the limitations of natural feed. This study aimed to evaluate the effect of artificial diet formulations on the feeding preference of S. frugiperda larvae. Three diet formulations with varying compositions were tested. Preference tests were conducted on third-instar larvae to observe their quick response and measure feed consumption (daily intake). Preference tests were performed over time intervals of 1, 2, 4, 6, and 24 hours. The attraction results showed that formula 3, which included natural ingredients such as baby corn and maize sprouts, had the highest initial attraction (30% within 1 hour). The physical and chemical characteristics of the artificial diets influenced the larvae's preference, with formula 3 being more effective for quick response, while formulas 1 and 2 were more stable for prolonged use. The highest daily consumption by larvae was observed with formula 3 (0.066 ± 0.027 grams), although it was not significantly different from formula 1 (0.058 ± 0.029 grams). However, formula 3 was considered the most optimal for maximising feed consumption. Bite marks and feeding holes indicated that the larvae consumed and damaged the feed during the maintenance process.
Carbon sequistration through oil palm frond biochar for carbondioxyde mitigation and land degradation Septyani, Ika Ayu Putri; Zamzami, Lutfi Fadilah
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.30660

Abstract

The increasing expansion of palm oil plantations can exacerbate climate change due to high deforestation rates and increased CO2 emissions. This study aims to identify carbon sequestration through oil palm frond biochar as a mitigation strategy for CO2 emissions and land degradation. This research  conducted at Palm Oil Plantation on Siluman B, Labuhanbatu District.  This study  using a Factorial Randomized Block Design  with two factors, 3 × 2, and 5 replications, resulting in 30 experimental units. The main factor is biochar  A0 = No biochar, A1 = 1.5 kg, A2 = 3.0 kg. The second factor is the method of biochar application which includes B0 = Incorporation into soil, B1 = Applied on the soil surface. Biochar significantly increases soil carbon stocks by nearly double, proving its role in carbon sequestration. Application of biochar on the surface and incorporation into soil have the same efect to increase soil carbon sequistration. Biochar fundamentally improves soil fertility by increasing the Cation Exchange Capacity, total N content, and the availability of essential base cations, while lowering the C/N ratio to a more ideal level. The method of incorporating biochar into the soil proved superior for enhancing CEC, making it the recommended practice.
Growth and NPK Level of Two Rice Varieties (Oryza sativa L.) Due to Differences in the Combination of Inorganic and Biological Fertilization Faizah, Mazidatul
Agrovigor Vol 18, No 2 (2025): In press
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v18i2.31737

Abstract

ABSTRACTThe increase on rice plant growth can be done through the application of organic and inorganic fertilizers, as well as the use of appropriate varieties. This research aimed to examine the effect of a combination of organic and inorganic fertilizer doses and the use of varieties on improving rice plant growth and nutrient level. The research was conducted from June to August 2025 located in Sudimoro Village, Megaluh Subdistrict, Jombang Regency. This research used a factorial randomized block design (RBD) with two factors and three replications. Factor 1 is a combination of biological and inorganic fertilizer doses consisting of 9 levels of treatment, namely: 100% inorganic fertilizer + no biological fertilizer (P1), 75% inorganic fertilizer + no biological fertilizer (P2), 50% inorganic fertilizer + no biological fertilizer (P3), 100% inorganic fertilizer + 5 ml biological fertilizer (P4), 75% inorganic fertilizer + 5 ml biological fertilizer (P5), 50% inorganic fertilizer + 5 ml biological fertilizer (P6), 100% inorganic fertilizer + 10 ml biological fertilizer (P7), 75% inorganic fertilizer + 10 ml biological fertilizer (P8), and 50% inorganic fertilizer + 10 ml biological fertilizer (P9). Factor 2 is the rice plant varieties, namely: Inpari 32 (V1) and Ciherang (V2). The observations conducted included growth observations, namely plant height, number of leaves, number of tillers and dry weight of plants observed at 15, 30, 45, and 60 days after planting and NPK level of plants observed at 60 days after planting. The results showed that the combination of 100% inorganic fertilization + 10 ml of organic fertilizer generally increased plant height, number of leaves and dry weight of rice plants. The use of the Ciherang variety resulted in better plant height, number of leaves and dry weight of rice plants compared to the Inpari 32 variety. The use of a combination of inorganic and organic fertilizer had a significant effect on increasing the number of tillers of rice plants of the Inpari 32 variety compared to the Ciherang variety. The nitrogen content of rice plants (1.17 to 1.99%) is included in the deficiency category, while the phosphorus content (0.14 to 0.31%) and potassium (1.45 to 2.22%) are included in the excess category, where the addition of biofertilizer has an effect on increasing the nitrogen, phosphorus and potassium content of rice plants compared to without biofertilizer.Keywords: Rice; Biological Fertilizer; Inorganic Fertilizer; Varieties; Growth.

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