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All Journal Pelita Perkebunan Asia-Pacific Management and Business Application
Teguh Iman Santoso
Indonesian Coffee and Cocoa Research Institute
Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Social Sciences

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Absorption of Cadmium and its Effect on the Growth of Halfsib Family of Three Cocoa Clones Seedling Zakariyya, Fakhrusy; Iman Santoso, Teguh; Abdoellah, Soetanto
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 38 No. 3 (2022)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v38i3.534

Abstract

The issue of cadmium in cocoa beans has become one of the primary considerations in setting quality criteria in chocolate-consuming countries. Using rootstock genotypes that are tolerant to cadmium uptake can provide data on the absorption of cadmium into shoots for recovery. This study examined cocoa plants’ growth and physiological response to cadmium (Cd) accumulation. The research was carried out using polybags in the Greenhouse of the Indonesian Coffee and Cocoa Research Center using a half-sib family of cocoa aged 4 months after sowing. The study was designed using a completely randomized split-plot design with 3 replications. The parent plots were the half-sib families of Sulawesi 1, Sulawesi 2, and Scavina 6. The subplots were added with cadmium solution at 0 (control), 2, 4, and 8 ppm. The results showed that adding cadmium up to 8 ppm did not affect the growth and biomass of cocoa seedlings; however, it had a negative effect on plant physiological processes of the net assimilation rate and relative growth rate. Cadmium content in the tissue increased with increasing cadmium concentration in the growing medium. The accumulation of cadmium in roots was higher than that of shoots. Absorption of cadmium in the root tissue of Sulawesi 1 was higher than that of Scavina 6 and Sulawesi 2; genetic factors did not affect cadmium uptake in the shoots. There was a positive correlation between root dry weight and cadmium concentration in the tissue; the higher the dry weight of the root tissue, the higher the cadmium uptake in plants.
Examining Technical, Human-Social, and Methodological Influences on K-Worker Competency: A Comparative Analysis of Experienced vs. Novice Economics Students at Telkom University Iman Santoso, Teguh; Galuh Tresna Murti; Moch Aminudin Hadi; Muhammad Nurwaskita Alamsyah
APMBA (Asia Pacific Management and Business Application) Vol. 14 No. 1 (2025)
Publisher : Department of Management, Faculty of Economics and Business, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/

Abstract

The Indonesian labor market faces a significant and persistent skills gap, particularly among knowledge-intensive industries, where Knowledge-workers require specialized competencies. This study seeks to address this gap by examining the roles of technical, human-social, and methodological competencies in enhancing K-worker preparedness among economics students at Telkom University. A cross-sectional survey of 1,401 students evaluates the impact of these competencies and explores how previous work experience affects competency development. Results reveal that each competency—technical, human-social, and methodological—meaningfully contributes to overall Knowledge-worker readiness, with technical skills emerging as the most influential factor in job preparedness. Surprisingly, work experience does not strongly moderate these competency impacts, highlighting that foundational skill development within the curriculum remains paramount for fostering employability. These findings emphasize the need for competency-based education frameworks that prioritize foundational skills to meet the ASEAN labor market's demands. The study provides actionable insights for higher education policymakers and curriculum designers in Indonesia, suggesting that a stronger focus on comprehensive competency-based training can better equip graduates for competitive regional workforce integration. Continuous professional development initiatives are also highlighted as crucial, enabling graduates to adapt and grow in their careers. This research contributes to ongoing discussions on bridging educational outcomes with industry needs and reinforces the role of curriculum reform in promoting workforce competitiveness across Southeast Asia.
Co-Authors Abdoellah, Soetanto Moch Aminudin Hadi Muhammad Nurwaskita Alamsyah Zakariyya, Fakhrusy