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Ahsan Yunus
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Graduate School 2nd Floor, Room 202, Hasanuddin University, Jalan Perintis Kemerdekaan KM. 10, Tamalanrea, Makassar, 90245, South Sulawesi, Indonesia.
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International Journal of Agriculture System
Published by Universitas Hasanuddin
ISSN : 23379782     EISSN : 25806815     DOI : http://dx.doi.org/10.20956/ijas.v5i2.1236
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
International Journal of Agriculture System (Int. J. Agr. Syst.- IJAS) is published by Hasanuddin University (UNHAS) twice a year in June and December. This journal is an academic, citation indexed, and blind peer-reviewed journal. It covers original research articles, short notes and communications, reviews (including book), concepts, commentaries, and letters on a diverse topic related to agricultural systems including forestry, fishery/marine, and animal sciences. The aims of this journal are to provide a venue for academicians, researchers, and practitioners to share/discuss theories, views, research results, on issues related to the science, engineering and technology, and humanities in agriculture development, management, and issues in agricultural systems, particularly in the tropics. However, any other articles related to non-tropical agricultural systems are also welcome.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "VOLUME 13 ISSUE 1, JUNE 2025" : 7 Documents clear
The Effect of Providing Sugarcane Bagasse Biochar and Moringa Leaf Local Microorganism (LMO) on the Growth of Sugarcane Seedlings (Saccharum officinarum Linn) Kasim, Nurlina; Musa, Yunus; Putri, Nurul Atifah
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v13i1.5504

Abstract

This research aims to study the effect of sugarcane bagasse biochar and Moringa leaf LMO's local microorganisms on sugarcane seedlings' growth. This research was carried out at the experimental garden of the Faculty of Agriculture, Hasanuddin University, Makassar, South Sulawesi, in June - October 2023. This research is arranged in the form of an experiment using a Split Plot Design (SPD), with the main plot being the LMO of Moringa leaves, which consists of 3 levels, namely 0 mL/L water, 200mL/L water, and 400 mL/L water. The subplot is sugarcane bagasse Biochar dosages, which consist of 4 levels, namely 0 g, 50 g, 100 g, and 150 g per plant. Each treatment combination consisted of 3 plant units and was repeated three times, so that there were 108 experimental units. The study results showed no interaction between the LMO concentration of Moringa leaves and the dose of bagasse biochar on all observed parameters. Moringa leaf LMO 200 mL/L water had the best effect on the highest number of tillers. 100 g sugarcane bagasse biochar gave the best impact on the highest chlorophyll levels, the highest chlorophyll b content LMO, and the highest total chlorophyll content, while 150 g bagasse biochar gave the best effect on the highest increase in stem diameter and the highest root fresh weight.
Determinant Factors of Marital and Job Satisfaction for Working Women in Rural Indonesia Natasya, Betrin; Matsuoka, Atsushi
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v13i1.5862

Abstract

Investigating marital and job satisfaction is crucial to consider the empowerment and autonomy of women. The first purpose of this study is to analyse the correlation between marital satisfaction, job on farm and off-farm satisfaction of working woman in rural areas in Indonesia. And second purpose is to examine determinant factors of marital and job satisfaction, especially focusing on the decision-making of woman. For the above purpose, I interviewed 70 working women in two villages of Takalar Regency in South Sulawesi. The result showed statistically significant positive correlations between marital satisfaction and both on-farm and off-farm job satisfaction among rural women. This finding suggests a potential spillover effect, where positive experiences in one domain (e.g., marriage) may contribute to satisfaction in another (e.g., work). Furthermore, the data indicate that women with higher levels of decision-making authority experience greater marital and job satisfaction. An educational background was found to be an important factor affecting the marital and job satisfaction of working women in rural areas. The result suggests that increasing the situations in which women are involved in decision- making will increase marital and job satisfaction.
Effects of Cassava-Based Feed on Growth and Physical Performance of Broilers Daniel, Ebiakpo Lucky; Ukpong, Inibehe George; Saviour, Jonah
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijas.v13i1.6339

Abstract

The study was carried out to assess the effects of cassava-based feed on the growth and physical performance of broilers. Fifty-one (51) day-old broiler chicks were used for the experiment. The birds were divided into two experimental groups; the first group had 25 chicks, and the second group had 26 chicks and was allotted two dietary treatments. Treatment A contained 50% cassava, 50% leaf meal, 50% maize, and 50% fresh soya bean, while Treatment B contained 100% cassava root meal and 100% cassava leaf meal. At the end of the eight-week experiment, Treatment B (birds fed 100% cassava root meal and cassava leaf meal, referred to as CSV/FM—Cassava Stem/Root meal and Fish Meal) had comparably lower mortality of 3 birds than Treatment A, which recorded 17 mortality cases. Treatment B also has a comparably higher body weight and mean weight gain than birds in Treatment A. The birds fed in Treatment B were observably more agile and more active, with comparatively excellent eating rate. The choice of cassava as an alternative to feed components follows that cassava is relatively cheaper, most commonly available in Southern Nigeria, than other routinely used feed supplements such as maize. Thus, to reduce the cost and high demand for conventional feedstuffs, especially maize, as a significant source of energy in poultry nutrition, up to 100% cassava, combined with fish meal as a common ingredient, can be used to replace maize and fresh soya bean in broiler chickens’ diets. When properly processed, cassava root meal can replace maize (as an energy source), and cassava leaf meal can partially replace soybean meal (as a protein source) in livestock diets, particularly for broilers and fish. Thus, up to 100% cassava could replace maize in broiler chicken diets to reduce the feed cost.
Influence of Palm Oil Mill Effluents on Selected Soil Physicochemical Properties and Soil Enzyme Activities Uroko, Robert Ikechukwu; Aaron, Chinomso Friday; Uche, Mercylyn Ezinne; Aguwamba, Chinedu; Nweje-Anyalowu, Paul Chukwuemaka
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

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Abstract

Palm oil mill effluent (POME) is applied on cultivated farmlands at various stages by many farmers in southeastern Nigeria with many reporting that it helps to improve crop yield and productivity despite no availability of data to support their claims. This study was therefore designed to investigate the impact of POME on soil physicochemical parameters and soil enzyme activities in soil samples from POME irrigated farmlands. In this study, top and subsoil samples from control farmland unirrigated with POME, dumpsites and 10 m away from POME dumpsites in six different farmlands irrigated with POME labelled A – F were investigated using standard analytical procedures. The results of physicochemical properties of the soils including nitrogen, phosphorus, organic carbon, organic matter, cation exchange capacity and exchangeable cations indicated significant (P<0.05) in topsoil and sub-soils containing POME when compared with their corresponding control1 soils. The lipase activities of topsoil from dumpsites A-E and subsoil 10m away from dumpsite C indicated a significant increase (P<0.05) relative to the corresponding control soils. The effluents caused a significant (P<0.05) decrease in the dehydrogenase and catalase activities of top-soils and sub-soils from each of the dumpsites and 10m away from respective dumpsites when compared with their respective control soils. The findings of this study revealed that the application of POME on soil increases the contents of soil organic carbon, organic matter, exchangeable cations, and cation exchange capacity interfere with enzyme activities.
Cost and Trend Analysis of Sago Processed Businesses in North Luwu and Palopo City, South Sulawesi Province Busthanul, Nurbaya; Heliawaty, Heliawaty; Bakri, Rasyidah; Syafiuddin, Masyhur; Syam, Siti Hardiyanti; Sabania, Hani; Rahmawaty, Nabilah
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

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Abstract

This study investigates sago-based food processing businesses' cost structure, profitability, and sustainability trends in North Luwu and Palopo City, South Sulawesi, Indonesia. Despite sago’s strategic role as a traditional food and a climate-resilient crop, the industry faces declining raw material availability, low farmer income, and limited technological adoption. Using a combined qualitative-quantitative descriptive approach, including structured surveys and focus group discussions (FGDs), this research provides a detailed cost and trend analysis of micro and small- scale enterprises producing local sago foods such as bagea, dange, and kapurung. The findings reveal that while these businesses remain economically viable—with R/C ratios above 1.0 and the dange business reaching 2.1—profitability is constrained by small-scale operations, high input costs, and inadequate support systems. This study fills a critical research gap by shifting focus from upstream sago cultivation to downstream enterprise viability, offering a rare empirical insight into the dynamics of traditional food microenterprises in Indonesia. The novelty of this research lies in its integrated assessment of cost efficiency, scale potential, and policy implications. It proposes strategic interventions including modernizing processing technologies, strengthening farmer- producer linkages, and scaling up through cooperative models. The results provide actionable recommendations for local governments and agribusiness stakeholders aiming to revitalize indigenous food sectors. Future research should explore the design of sustainable enterprise clusters, examine consumer preferences for sago-based products, and evaluate the long-term impacts of technological and institutional interventions on sago industry resilience.
Role of effective microorganisms on broiler performance and odor emission from litter in broiler chicken production Miadu, Sbahle Sivetmbhea; Muritala, Ismaila; Fon, Fabian Nde; Suninyuy, Terence N
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

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Abstract

Poultry production is a reliable animal protein source used in different communities. Malodor emitted from poultry houses limits their production and significantly contributes to air pollution. Mitigations are thus required to make broiler chicken production more environmentally friendly and productive. This study investigated the role of effective microorganism (EM) on broiler performance and odor emission from litter in broiler chicken production. A total of 180-day-old chicks were divided into four treatments: T0 (without EM-supplementation), T1 (EM-supplemented in water), T2 (EM-supplemented in feed), and T3 (EM-supplemented in water+feed), with three replicates of 15 birds each. Data on broiler performance, including water intake (WI), feed intake (FI), average weight gain (ADG), feed conversion ratio, and carcass characteristics, were measured and analyzed using one-way ANOVA in SPSS (version 25). Malodor agents were characterized by using gas chromatography. Significant (p<0.05) increase in WI and FI was delayed among chickens with EM treatments until 4th- 6th and 5th – 6th weeks, where T0 had lower (p<0.05) FI and WI, respectively. T3 had the highest (p≤0.05) increased ADG at the 5th and 6th weeks. Heart, wing, thigh, girth, and live weight did not differ (p>0.05) among treatments, while T0 had higher (p<0.05) liver and gizzard weight compared to the estimates from other groups. T0 recorded higher (p<0.05) gases, emitted from grower to finisher, compared with starter. EM treatment decreased (p<0.05) the number of gases emitted, with T3 recorded as the lowest. Thus, EM applications may alter the emission of odor-causing compounds in the broiler chicken litter without compromising its performance.
Synergistic Effects of Plant Growth-Promoting Rhizobacteria and Corn Cob Biochar on Growth and Yield of Chili Pepper (Capsicum frutescens L.) Syaiful, Syatrianty Andi; Rafiuddin; Jamaluddin, Irma; Badaruddin, Fadhilla
International Journal of Agriculture System VOLUME 13 ISSUE 1, JUNE 2025
Publisher : Hasanuddin University

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Abstract

Chili pepper (Capsicum frutescens L.) is an economically important horticultural crop, but its productivity in Indonesia has declined due to soil fertility degradation, excessive use of inorganic fertilizers, and unfavorable climatic conditions. This study evaluated the individual and combined effects of plant growth-promoting rhizobacteria (PGPR) and corn cob biochar on the growth and yield of chili pepper. A field experiment was conducted from December 2022 to May 2023 at Hasanuddin University, Makassar, Indonesia, using a split-plot design with three levels of biochar (0, 7.5, and 15 t ha⁻¹) and three concentrations of PGPR (0, 10, and 20 g L⁻¹). Data were analyzed using ANOVA followed by LSD at α = 0.05. Results indicated that neither PGPR nor biochar alone had significant effects on most growth parameters. However, their interaction significantly enhanced yield-related traits. The combination of 15 t ha⁻¹ biochar with 20 g L⁻¹ PGPR (M2P2) produced the highest fruit number (69.17 fruits plant⁻¹), fresh fruit weight (72.30 g plant⁻¹), and yield (3.62 t ha⁻¹). These findings demonstrate the synergistic role of biochar and PGPR in improving chili productivity and highlight their potential as eco-friendly inputs for sustainable chili cultivation.

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