Skripsi
KARAKTERISTIK SIFAT FISIK TANAH GAMBUT BERDASARKAN TINGKAT KEMATANGAN DI PERKEBUNAN KELAPA SAWIT (ELAEIS GUINEENSIS) TBM DAN TM PT. KELANTAN SAKTI
This study aimed to analyze the physical characteristics of peat soil based on the level of maturity in oil palm (Elaeis guineensis) plantations at the immature (TBM) and mature (TM) stages in PT. Kelantan Sakti, Ogan Komering Ilir Regency. The observed parameters included moisture content (MC), bulk density (BD), and total pore space (TPS). Soil samples were collected at depths of 0–30 cm and 30–60 cm using ring samplers, then analyzed gravimetrically and processed using descriptive analysis and multiple linear regression. The results showed that peat soil had relatively high moisture content, with bulk density values ranging from 0.07–0.21 g/cm³ (low–moderate) and total pore space ranging from 92.06%–97.33% (very high). The TM area had higher bulk density and lower total pore space compared to TBM, indicating a higher level of peat maturity, where TM was dominated by sapric peat and TBM by hemic peat. Differences were also observed at soil depths, indicating the influence of decomposition level and groundwater conditions. The regression analysis was conducted to examine the relationship between moisture content and total pore space on bulk density. However, the results indicate that the model has not yet provided a statistically reliable relationship, so it is not used as the main basis for interpretation.
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