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Holistic: Journal of Tropical Agriculture Sciences
Published by Institute for Advanced Science, Social, and Sustainable Future
ISSN : -     EISSN : 30254272     DOI : https://doi.org/10.61511/hjtas.v1i1.2023
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Ruang Lingkup HJTAS adalah jurnal ilmiah yang terbit secara periodik untuk mendorong pembangunan pertanian dalam arti luas dengan mendedikasikan pada artikel-artikel hasil penelitian yang berkualitas yang berguna bagi pembangunan masyarakat dan industri. Lingkup artikel meliputi pertanian dalam arti luas, seperti budidaya tanaman pangan, perkebunan, peternakan, perikanan, kehutanan, dan lainnya, serta kajian sosial ekonomi pertanian dan lingkungan hidup spesifik yang berhubungan dengan bidang pertanian. Jurnal ini menerima naskah baik dalam Bahasa Indonesia maupun Bahasa Inggris.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 5 Documents
 1 
Search results for , issue "Vol. 3 No. 2: January (2026)" : 5 Documents clear
Climate change adaptation strategies among rice farmers in coastal agro-ecological systems Tuwu, Eka; Kandari, Aminuddin Mane; Erif, La Ode Muhammad; Gandri, La; Arfiani
Holistic: Journal of Tropical Agriculture Sciences Vol. 3 No. 2: January (2026)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/hjtas.v3i2.2026.2319

Abstract

Background: This study aims to identify the indicators and impacts of climate change experienced by rice farmers in Lawele Village, a coastal area of Buton Island, and to examine the structural and non-structural adaptation strategies they implement. The research also assesses farmers’ participation in government-led climate adaptation programs. Methods: A descriptive quantitative method was used, involving structured interviews with 30 purposively selected rice farmers. Data were gathered through questionnaires, field observations, and documentation, and analyzed using percentage-based tabulation to describe patterns of climate-related impacts and adaptive responses. Finding: All respondents (100%) reported direct impacts of climate change, including pest outbreaks, declining yields, and crop failure, as well as indirect impacts such as increased production costs and reduced income. Structural adaptation measures primarily involved the construction and maintenance of irrigation channels initiated by the government, with farmers contributing to their upkeep. Non-structural adaptations were practiced universally (100%), including fertilizer application and adjustments to cropping patterns to reduce pest pressure and maintain productivity. However, the adoption of pest-resistant improved varieties remained limited, with only 17 farmers (57%) using them, while 13 farmers (43%) had not, largely due to high seed prices, limited technical assistance, and the absence of continuous support programs. Participation in climate adaptation training was also low, with only 15 farmers (50%) having attended government-led extension activities. Conclusion: Climate change exerts significant direct and indirect pressures on rice farming in Lawele Village. Although farmers have adopted various adaptation strategies, their implementation is hindered by economic constraints, insufficient technical guidance, and limited engagement in training programs. Strengthening institutional support and providing sustained capacity-building initiatives are essential to enhancing the resilience of rice farming systems in this coastal, climate-vulnerable region. Novelty/Originality of this article: This article bridges the experiences of local farmers, adaptation strategies, and institutional participation gaps in the context of coastal rice farming, which has not been widely researched, by providing empirical evidence and insights relevant to policy.
Bitter leaf extract modulates antioxidant enzymes, immunoglobulins, organ weights, meat oxidation, and hepatic stress markers in broiler chickens exposed to aflatoxin B1 Oloruntola, Olugbenga David
Holistic: Journal of Tropical Agriculture Sciences Vol. 3 No. 2: January (2026)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/hjtas.v3i2.2026.2419

Abstract

Background: This study examined the effects of bitter leaf extract on the oxidative enzymes, stress markers, immunoglobulins, organ weights, meat oxidation, and liver health in broiler chickens exposed to aflatoxin-B1. Methods: 240 day-old mixed-sex Cobb-500 broiler chickens were randomly assigned to the following treatment groups: CONT (Control); BE0AF (0.5 mg/kg aflatoxin-B1); BE1AF (0.5 mg/kg aflatoxin B1 + 1 g bitter leaf powder/ L H2O)  or BE2AF (0.5mg/kg aflatoxin-B1 + 2 g bitter leaf powder/ L H2O), each with 60 chickens (6 replicates of 10 chickens). Findings: BE0AF significantly (P<0.05) lowered the serum superoxide dismutase (SOD) and higher malondialdehyde (MDA) levels compared to untreated chickens.  BE2AF resulted in similar MDA levels compared to chickens in the BE1AF and CONT groups. BE0AF group showed higher (P<0.05) lactate dehydrogenase (LDH) and lower catalase and glutathione peroxidase (GPx) levels than other groups. Immunoglobulin G levels were notably (P<0.05) lower in the BE0AF group, while immunoglobulins M and A were significantly (P<0.05) lower compared to the BE3AF and BE2AF groups. Liver and spleen weights were higher in the aflatoxin group, and meat catalase was lower (P<0.05) in BE0AF. Lipid and protein oxidation were higher (P<0.05) in BE0AF compared to CONT. Furthermore, liver HSP70, NF-κB, and LDH levels were higher (P<0.05) in BE0AF. Conclusion: Oral administration of bitter leaf extract of 1-2g/ L H2O bitter leaf powder mitigated oxidative stress and protected against aflatoxin-induced damage by improving various physiological markers in broiler chickens. Novelty/Originality of this article: This study was to assess the impact of bitter leaf aqueous extract on organ weights, immunoglobulin levels, serum biomarkers, meat oxidation, hepatic oxidative enzymes, and nuclear factor kappa B in broiler chickens exposed to AFB1.
Sustainable beef cattle production: A comparative review between Australia and Indonesia Latif, Amir; Koestoer, Raldi Hendro; Frimawaty, Evi
Holistic: Journal of Tropical Agriculture Sciences Vol. 3 No. 2: January (2026)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/hjtas.v3i2.2026.1940

Abstract

Background: Beef cattle farming is an important production activity to meet the protein needs of the community. Livestock produces carbon emissions that contribute to increasing global warming. The purpose of this article is to discuss the conditions of Indonesian beef cattle farming compared to the beef cattle farming system in Australia. Method: The method used in writing this paper is the Systematic Literature Review (SLR) with bibliometric content analysis. We analyze related to "keyword maps", "map of countries", and Scopus document publishing trends in sustainable beef cattle production studies for the period 2020 to 2025. The next stage, a comparison was made between two countries, namely Indonesia and Australia in the beef cattle production sector. Finding: The results of the bibliometric analysis showed that the top three countries with the highest link strength and leading in the study of sustainable beef cattle production were the United States, Brazil, and the United Kingdom. In terms of quantitative document publication, Indonesia is ranked fourth and Australia is ranked fifth. The results of the discussion showed that Indonesian beef production comes from small-scale beef cattle farms with slightly different cattle ownership from Australia, which is mostly industrial scale. Conclusion: One of the developments of sustainable beef cattle farming applied in Indonesia is the concept of integrating agricultural crops - cattle where plant waste is used as animal feed and livestock waste is processed into fertilizer for agricultural land. Novelty/Originality of this article: This study provides a contemporary bibliometric mapping (2020–2025) that identifies Indonesia as a top-tier contributor (ranked 4th globally) in sustainable beef production literature.
Agricultural land development strategies based on regional potential for sorghum cultivation Annida, Vallentia Nisrina Qurratuain
Holistic: Journal of Tropical Agriculture Sciences Vol. 3 No. 2: January (2026)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/hjtas.v3i2.2026.2200

Abstract

Background: Sorghum has been known in Indonesia for a long time, but its development is not as good as rice and corn. This is because there are still few areas that utilize sorghum plants as food. Land evaluation is a process of assessing the potential of a land used as the basis for sector development in an area that is useful for reorganizing existing land use to assist in making land use planning decisions. This study aims to identify the characteristics of soil physical and chemical properties in Sitimulyo Village and develop agricultural land development directions for sorghum. Method: The research used a stepwise diagram interpretation method, integrating soil laboratory analysis, field observations based on Land Map Units, and interviews using the key-person informant approach. Spatial analysis with ArcMap was also applied to evaluate land characteristics, including land use, slope classes, and cultivation suitability. Finding: The findings indicate that land suitability in Sitimulyo Village generally falls within moderately suitable (S2) to suitable (S1) categories, with limiting factors including rainfall, slope, and cation exchange capacity. Furthermore, this analysis confirms that existing seasonal agricultural areas—particularly rice fields, swampland, and mixed gardens—are in line with the 2021-2026 Piyungan Subdistrict Strategic Plan, which indicates high potential for sorghum development. Conclusion: Policy implications include the need for targeted management of limiting factors and the development of extension programs to promote sorghum as an alternative crop, thereby supporting food diversification and improving the socio-economic resilience of local farmers. Novelty/Originality of this article: The originality of this study lies in integrating soil laboratory analysis with spatial evaluation to provide site-specific recommendations for sorghum cultivation.
Struggling farmers, weak cattle, rising imports: NutriFarm as a solution to reduce import and support the realization of free nutritious meals program Indriani, Mutiara Rachmina; Rafi, Raden
Holistic: Journal of Tropical Agriculture Sciences Vol. 3 No. 2: January (2026)
Publisher : Institute for Advanced Science, Social, and Sustainable Future

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61511/hjtas.v3i2.2026.2439

Abstract

Background: Indonesia continues to face inefficiencies in ration formulation among smallholder livestock farmers, resulting in low productivity and sustained dependence on imported meat and milk. This study aims to design NutriFarm, a digital livestock-assistance application intended to improve feed efficiency and strengthen national food security. Previous studies emphasize that precise nutrition management, optimized use of local feed resources, and the adoption of digital systems such as smart farming and precision livestock farming can significantly enhance livestock performance and reduce production costs. Methods: This study employed a qualitative approach through observation, systematic literature review, and descriptive analysis to identify challenges in feed management, technological adoption, and digital innovation opportunities. A Design-Based Research framework was used to develop key application features, formulate the implementation model, and construct a pentahelix-based collaborative ecosystem for farmer assistance. Findings: The results indicate that NutriFarm has the potential to improve the accuracy of ration formulation, maximize the use of local feed resources, and strengthen farmers’ capacity in nutritional monitoring and management practices. Integrated features—including automated ration calculation, nutrient evaluation, plant identification, and daily feed logging—enhance data-driven decision making. These findings align with theories of livestock nutrition and precision livestock farming, which highlight the importance of balanced nutrient supply, continuous monitoring, and resource optimization. Conclusion: NutriFarm can serve as a strategic tool to improve the productivity of smallholder livestock systems and reduce reliance on imported animal products, thereby supporting the national nutritious-meal program. Novelty/Originality of this article: This study offers an integrated design that combines precise nutrition management, local feed optimization, automated plant identification, community-based assistance, and a multi-stakeholder pentahelix ecosystem within a single digital innovation model, representing a comprehensive approach not yet developed in Indonesia’s smallholder livestock

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