Mufadhila, Ulfa Rizkika (2027) EVALUATION OF LAND SUITABILITY FOR AGROFORESTRY DEVELOPMENT BASED ON THE LEVEL OF CRITICAL LAND IN THE PACET HILL AREA, MOJOKERTO REGENCY. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Pacet Hill is a steep volcanic landscape with a high risk of erosion and varying degrees of land degradation. This study evaluates land suitability at various levels of criticality to determine priority commodities in sustainable agroforestry development. Field surveys, soil analysis, and spatial analysis were carried out from February to August 2025 on an area of about 104 hectares. Land characteristics, including climate, slope slope, soil texture, nutrient status, and erosion hazards, were assessed using a matching-based suitability approach supported by scoring systems, correlation analysis, and regression analysis. The results of the study show that slope, erosion hazard, and nutrient limitations are the main factors that limit land productivity. Arabica and avocado coffees show the highest levels of suitability, while chili peppers and cabbage require additional management interventions. The land suitability regression model yields a value of Adjusted R² = 0.60, which indicates that the 60% variability of the suitability score can be explained by the parameters analyzed. Land criticality was predicted using the equation Y = –0.38(slope) – 4.85(pH) + 7.09(C-organic) + 55.6(N-total) + 0.8(CEC) + 616, d Adjusted R² = 0.633 and p < 0.05, which shows the model's strong ability to explain land degradation conditions. The correlation between land suitability and land criticality was very weak (r = 0.2236), suggesting that although the two are indirectly related through erosion processes, they represent different environmental dimensions. These findings provide the basis for soil conservation strategies and support sustainable agroforestry planning in the Pacet Hill region. Keywords: Land Suitability, Land Criticality, Agroforestry, Erosion Hazard, Soil Properties, Pacet Hill
| 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: | Ulfa rizkika mufadhila | ||||||||||||
| Date Deposited: | 10 Dec 2025 07:42 | ||||||||||||
| Last Modified: | 10 Dec 2025 07:42 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48323 |
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