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All Journal Buletin LOUPE (Laporan Umum Penelitian)
Edy Wibowo Kurniawan
Program Studi Teknologi Rekayasa Pangan, Politeknik Pertanian Negeri Samarinda
Agriculture, Biological Sciences & Forestry

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Analysis of Water Quality of the Senibung River in the Oil Palm Plantation PT Telen East Kutai Suwadi; Nataniel Tandirogang; Adi Susanto; Rudito; Edy Wibowo Kurniawan
Jurnal Loupe Vol 21 No 01 (2025): Juni 2025
Publisher : Jurusan Pertanian Politeknik Pertanian Negeri Samarinda Kampus Sei Keledang Jalan Samratulangi, Kotak Pos 192 Samarinda 75123

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/buletinloupe.v21i01.3238

Abstract

This study aims to analyze the water quality of the Senibung River flowing through the oil palm plantation of PT Telen, East Kutai. This analysis is very important to ensure that the water used as domestic water and the water used in palm oil processing is in good condition and not contaminated. The methods used are STORET and biological analysis with plankton abundance as an indicator of water quality. Sampling was conducted at the upstream (inlet) and downstream (outlet) sections of the river in March, June, September, and December 2024. The results indicate that the water quality is classified as good; however, several parameters such as TDS, BOD, nitrite, and ammonia exceed the threshold of water quality standards. The plankton diversity index in the downstream section is higher than in the upstream section, with values of H’ 1.47 and 1.17, respectively. Water discharge shows a significant positive relationship with TSS, BOD, COD, and the H' index, with the H' index having the strongest influence (R² = 0.711). The conclusion of this study is that the water quality in the downstream section is better than in the upstream section, and water discharge significantly affects water quality.
Study of Correlation between Work Experience and Performance of Palm Oil Fertilization Workers in Palm Oil Plantation at PT. Citra Agro Kencana Jamaluddin; Budi Winarni; Gregorius Rovino Batu; Muh. Yamin; Farida Aryani; Mujibu Rahman; Elisa Ginsel Popang; Edy Wibowo Kurniawan; Rahma Yanti; Mohammad Lutfi
Jurnal Loupe Vol 21 No 01 (2025): Juni 2025
Publisher : Jurusan Pertanian Politeknik Pertanian Negeri Samarinda Kampus Sei Keledang Jalan Samratulangi, Kotak Pos 192 Samarinda 75123

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/buletinloupe.v21i01.3397

Abstract

The continuity of operations in palm oil companies heavily relies on the quality of their human resources. This study aims to assess the relationship and impact of work experience duration on employee performance in the fertilization division. A quantitative approach was employed, using simple linear regression analysis and t-tests. The sample was selected using purposive sampling (saturation sampling), with respondents consisting of employees in the fertilization division. Data were collected through 26 questionnaires and supported by secondary information. The results indicate a positive correlation between work experience and employee performance, although the influence is not statistically significant. The low level of work experience—particularly among employees who have worked for less than a year—is the main factor behind the insignificant impact. This study also highlights the need for companies to provide training and skill development programs to enhance work experience through internal training, as well as to consider other factors such as motivation, a supportive work environment, and effective leadership.
Co-Authors Adi Susanto Budi Winarni Elisa Ginsel Popang Farida Aryani Gregorius Rovino Batu Jamaluddin Mohammad Lutfi Muh. Yamin Mujibu Rahman Nataniel Tandirogang Rahma Yanti Rudito Suwadi