Arjani, Nabila Alifia (2026) Analisis Pengendalian Kualitas Produksi Baglog Jamur Tiram Menggunakan Metode Six Sigma dengan Pendekatan DMAIC di PT Mitra Jamur Indonesia Kabupaten Jember. Undergraduate thesis, Politeknik Negeri Jember.
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Abstract
Baglog is the main planting medium that heavily determines the success of oyster mushroom harvest productivity. PT. Mitra Jamur Indonesia is an agro-industrial company producing oyster mushroom baglogs in Jember Regency. The problem faced by the company is that some of the produced products do not meet quality standards; in other words, the baglog products experience defects. This study aims to: 1) determine the quality control implemented in the oyster mushroom baglog production at PT. Mitra Jamur Indonesia, 2) determine the Defect Per Million Opportunity (DPMO) value and the sigma level of the baglog products, and 3) analyze the factors causing product defects. The method used in this research is Six Sigma. Six Sigma is a quality improvement tool based on the use of data and statistics with five phases, namely define, measure, analyze, improve, and control (DMAIC). The results showed that the types of product defects include striped baglogs, baglogs contaminated with wild mushrooms, and baglogs with no mycelium growth, with contaminated baglogs and baglogs with no mycelium growth being the most dominant defects. Based on the results of the p control chart (p-chart), it can be concluded that the production process is not yet fully under statistical control, as there are defect proportions located outside both the upper and lower control limits. The results of the quality measurement calculation show that the obtained DPMO value is 68,871, meaning that in one million units of the production process, there is a possibility of product non-conformance amounting to 68,871 units, achieving a quality level of 2.98 sigma.
| Item Type: | Thesis (Undergraduate) | ||||||
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| Uncontrolled Keywords: | Baglog jamur tiram, DPMO, Pengendalian kualitas, Six Sigma | ||||||
| Subjects: | 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 154 - Budidaya Pertanian dan Perkebunan 140 - Rumpun Ilmu Tanaman > 150 - Ilmu Pertanian dan Perkebunan > 155 - Perkebunan 140 - Rumpun Ilmu Tanaman > 160 - Teknologi dalam Ilmu Tanaman > 161 - Teknologi Industri Pertanian (dan Agroteknologi) 550 - Rumpun Ilmu Ekonomi > 570 - Ilmu Manajemen > 571 - Manajemen |
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| Divisions: | Jurusan Manajemen Agribisnis > Prodi D4 Manajemen Agroindustri > Tugas Akhir | ||||||
| Depositing User: | Nabila Alifia Rizky Arjani | ||||||
| Date Deposited: | 20 Aug 2026 00:14 | ||||||
| Last Modified: | 20 Aug 2026 00:15 | ||||||
| URI: | https://sipora.polije.ac.id/id/eprint/59821 |
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