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INDONESIA
Jurnal Keteknikan Pertanian
ISSN : 24070475     EISSN : 23388439     DOI : -
Core Subject : Agriculture,
Jurnal Keteknikan Pertanian dengan No. ISSN 2338-8439, pada awalnya bernama Buletin Keteknikan Pertanian, merupakan publikasi resmi Perhimpunan Teknik Pertanian Indonesia (PERTETA) bekerjasama dengan Departemen Teknik Mesin dan Biosistem (TMB) IPB yang terbit pertama kali pada tahun 1984, berkiprah dalam pengembangan ilmu keteknikan untuk pertanian tropika dan lingkungan hayati. Jurnal ini diterbitkan dua kali setahun. Penulis makalah tidak dibatasi pada anggota PERTETA tetapi terbuka bagi masyarakat umum. Lingkup makalah, antara lain: teknik sumberdaya lahan dan air, alat dan mesin budidaya, lingkungan dan bangunan, energi alternatif dan elektrifikasi, ergonomika dan elektronika, teknik pengolahan pangan dan hasil pertanian, manajemen dan sistem informasi. Makalah dikelompokkan dalam invited paper yang menyajikan isu aktual nasional dan internasional, review perkembangan penelitian, atau penerpan ilmu dan teknologi, technical paper hasil penelitian, penerapan, atau diseminasi, serta research methodology berkaitan pengembangan modul, metode, prosedur, program aplikasi, dan lain sebagainya.
Arjuna Subject : -
Articles 652 Documents
Agri-Environmental Assessment of Land-Cover Dynamics, Ecological Pressure, and Economic–Ecological Decoupling in Konaweha Watershed Jasman; Alkadri; Hasdin
Jurnal Keteknikan Pertanian Vol. 14 No. 3 (2026): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.014.3.380-406

Abstract

Watershed transformation poses a challenge for maintaining agricultural production while sustaining ecological functions, particularly in tropical regions where economic activities are strongly dependent on natural resources. This study aimed to (i) analyze economic dynamics in the agriculture, forestry, and fisheries sectors of Konawe Regency; (ii) quantify land-cover change and spatial ecological pressure in the Konaweha Watershed; and (iii) assess the relationship between sectoral economic growth and ecological change using the Tapio decoupling framework. A quantitative observational approach integrated Landsat 8 and Sentinel-2 imagery, Random Forest classification using Google Earth Engine, GIS-based hotspot analysis, Forest Loss Rate (FLR), Land Use Pressure Index (LPI), aggregate ecological change (ΔC), and constant-price GRDP for 2014, 2019, and 2024. The classification achieved overall accuracy above 87%. Secondary dryland forest declined by 54,712 ha, while plantations expanded by 59,205 ha (123.1%), indicating substantial land transformation toward anthropogenic production systems. The extent of ecologically functional land-cover classes declined by 16.16% during 2014–2024, with ecological-pressure hotspots concentrated in the middle and lower watershed. Sectoral GRDP increased from IDR 944.69 to 1,947.22 billion, while Tapio analysis indicated absolute decoupling across all observation periods (2014–2019, 2019–2024, and 2014–2024). The findings demonstrate persistent ecological degradation alongside economic growth and provide an integrated basis for watershed assessment, sustainable land management, and resource planning.
Application of Plasma Activated Fine Bubble Water on Fresh-Cut Lettuce Quality and Safety Syafar Algazali Hidayat; Yohanes Aris Purwanto; Anto Tri Sugiarto
Jurnal Keteknikan Pertanian Vol. 14 No. 2 (2026): Jurnal Keteknikan Pertanian
Publisher : PERTETA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19028/jtep.014.2.318-334

Abstract

Lettuce (Lactuca sativa L.) is highly susceptible to postharvest deterioration, microbial contamination, and pesticide residues. This study evaluated the effectiveness of plasma-activated water (PAW) and plasma-activated fine bubble water (PAFBW) compared to distilled water (control) in maintaining the quality and safety of fresh-cut lettuce. A completely randomized design evaluated four factors: ozone concentration (1 and 2 ppm), immersion time (1 and 2 min), washing solution type (PAW and PAFBW), and storage temperature (15 °C and 25 °C). Distilled water controls were analyzed separately. Weight loss and total color difference (ΔE) were evaluated after two days of storage. Total plate count (TPC), total phenolics, and qualitative pesticide screening were measured immediately after washing and analyzed descriptively. One-Way ANOVA showed highly significant overall treatment effects (p<0.001) on weight loss (F=10.90) and color change (F=61.94). Factorial GLM identified storage temperature as the dominant factor. The 2 ppm PAW treatment with 2-min immersion at 15 °C produced the lowest weight loss (0.87 ± 0.11%) and smallest total color difference (0.40 ± 0.04). The lowest TPC was obtained for PAW 2 ppm 2 min (17,000 colony-forming units per gram [CFU/g]) and PAFBW 2 ppm 2 min (19,950 CFU/g). The highest total phenolic content was found in PAW 1 ppm 2 min (6.98 ± 0.05 mg gallic acid equivalents per gram [mg GAE/g]). PAW generally outperformed PAFBW in quantitative parameters, while PAFBW yielded the most favorable qualitative pesticide screening response, highlighting plasma technology's postharvest potential.

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