Yasmiati, Yasmiati (2025) Pembuatan Pupuk Organik Cair (POC) Berbahan Limbah Batang Tembakau secara Fermentasi Anaerob. Undergraduate thesis, UPN "Veteran" Jawa Timur.
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Text (DAFTAR PUSTAKA)
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Abstract
Making liquid organic fertilizer from tobacco stems requires additional raw materials such as coconut water, brown sugar, and EM-4 Agriculture, which are then mixed together and fermented in a fermenter. The solid raw materials are first reduced to a size of 0.5–1 cm before being mixed with the other ingredients. Two variables were used in this study: tobacco stem weight and fermentation time, with the aim of determining the best components for making liquid organic fertilizer from tobacco stems. The tobacco stem weights used were 25, 50, 75, 100, and 125 grams, while the fermentation times were 1 week, 2 weeks, 3 weeks, 4 weeks, and 5 weeks. These variables can affect the organic carbon and nitrogen content, as well as the pH value of the liquid organic fertilizer product.
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TP Chemical technology > TP155 Chemical engineering | ||||||||
| Divisions: | Faculty of Engineering > Departement of Chemical Engineering | ||||||||
| Depositing User: | Yasmiati YA Ati | ||||||||
| Date Deposited: | 04 Nov 2025 07:23 | ||||||||
| Last Modified: | 04 Nov 2025 07:23 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/46102 |
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