Imaniya, Hilya Nurul (2026) Kajian Baku Kerusakan Lahan Akibat Erupsi Gunung Merapi di Wilayah Sub-Das Opak Bagian Hulu, Yogyakarta. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The upstream area of the Opak Watershed, located on Mount Merapi’s slopes, faces land degradation challenges caused by volcanic activity and land-use changes. This study evaluates soil damage status in the Opak Sub Watershed through field surveys and laboratory analyses. Soil samples were collected from four land types: primary forest, secondary forest, mixed gardens, and horticultural farms. Results reveal minor soil damage across all land types, with primary limiting factors being low organic matter content, reduced redox potential (Eh), and high soil porosity. Anthropogenic factors such as chemical fertilizer use and intensive land management exacerbate these issues. Conservation strategies, including cover cropping, organic fertilizer application, and sustainable land management practices, are recommended to improve soil quality in the Opak Sub-Watershed area.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) > S590-599.9 Soils. Soil science | ||||||||||||
| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Nn Hilya Nurul Imaniya | ||||||||||||
| Date Deposited: | 03 Jun 2026 08:09 | ||||||||||||
| Last Modified: | 03 Jun 2026 08:09 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/53410 |
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