iVolga Press

RJOAS August 2026 by Ivanović Miroljub M., Serbian Academy of Innovation Sciences, Belgrade, Serbia Ćosić Milivoje M., Institute of Forestry, Belgrade, Serbia The primary objective of this research was to examine how the perception of educational needs, technological benefits, and socio-economic risks shapes the intention toward sustainable food consumption. The study was conducted via an online platform in June 2026, using a sample of 507 active students of agricultural and technical sciences from three state faculties (Zemun, Novi Sad, and Čačak), with an average age of 23.47 years. Data were processed using descriptive statistics and exploratory factor analysis (EFA)...

RJOAS August 2026 by Baban Omar, PhD, College of Agriculture, University of Tikrit, Iraq Kurter Osman, PhD., Assistant Professor, University of Karabuk, Turkey Ayash Ali Ibrahim, University of Tikrit, Tikrit, Iraq This study aims to examine the impact of cost management, including feed cost, medical cost, energy cost, and labor cost, on the profitability of poultry farms, while considering mortality rate as a mediating variable. A quantitative research approach was adopted to investigate the relationship between cost management and profitability in poultry production. The study relied on secondary...

RJOAS July 2026 by Ihsan N. Alzebari, Saeed Mizgeen Saeed, Jwan I. Saleem Akrayi, Department of Horticulture, Akre Technical College, Akre University for Applied Science, Iraq Warhel N. Ali, Dohuk Polytechnic University, Kurdistan Region, Iraq One of the main obstacles to Olea europaea L. propagation is seed dormancy, which causes poor and inconsistent germination. The purpose of this research was to assess the effects of gibberellic acid (GA₃) treatment and sulphuric acid (H₂SO₄) scarification on olive seed germination. Seeds were treated with varied concentrations of GA₃ (0.75, 1.5, and 3 ml...

RJOAS July 2026 by Sirait Wilfried, Master’s Student in Agribusiness Napitupulu Dompak M.T., Ningsih Rozaina University of Jambi, Indonesia This study aims to optimize Fresh Fruit Bunch (FFB) procurement based on quality to maximize profit and support green economy practices in a palm oil mill. A linear programming model was developed using operational data from PT. Porman Anugerah Sejati, Jambi Province, Indonesia, during 2025. The model incorporated Oil Extraction Rate (OER), Kernel Extraction Rate (KER), and Shell Extraction Rate (SER) as quality indicators from three supplier categories: independent, estate, and contract suppliers...

RJOAS July 2026 by Semerci Arif (Faculty of Agriculture, Department of Agricultural Economics, Çanakkale Onsekiz Mart University, Çanakkale, Türkiye) In this study, seed factors in paddy, canola and cotton production were examined in terms of economic efficiency level. Within the scope of the research, primary data from 74 enterprises for paddy, 83 enterprises for canola and 136 enterprises for cotton have been used. During the study, the relationship between the seed usage and the amount of yield gained from the unit area in the production of paddy, canola and cotton have been analyzed by using the Cobb-Douglas production function...