Karakteristik Beberapa Sifat Fisik Tanah Gambut Pada Berbagai Umur Tanaman Kelapa Sawit

Muzzammil, Ridho Alhadiid (2023) Karakteristik Beberapa Sifat Fisik Tanah Gambut Pada Berbagai Umur Tanaman Kelapa Sawit. S1 thesis, UNIVERSITAS JAMBI.

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Abstract

Keterbatasan lahan produktif menyebabkan ekstensifikasi pertanian mengarah pada lahan-lahan marjinal. Penurunan tinggi muka air tanah (TMAT) akan mempengaruhi keadaan sifat fisik tanah gambut. Penelitian ini bertujuan untuk menganalisis perubahan fisik tanah gambut pada beberapa umur tanaman kelapa sawit di Desa Danau Lamo, Kecamatan Muaro Sebo, Kabupaten Muaro Jambi, Provinsi Jambi. Penelitian ini dilakukan dengan metode purposive sampling (penentuan plot penelitian secara sengaja dianggap representative) digunakan pada tiga lahan kelapa sawit berdasarkan perbedaan umur tanaman. Hasil penelitian penurunan TMAT paling dalam pada lahan kelapa sawit umur 6-9 tahun yaitu - 67,17 cm secara lansung dipengaruhi kanal primer HTI Acacia crassicarpa memiliki lebar 6,5 m dan kedalaman 3,4 m. Keadaan TMAT di lokasi penelitian secara lansung mempengaruhi fisik tanah gambut. Hasil uji regresi dan korelasi antara TMAT dengan bahan organik, bobot volume (BV), dan kadar air tanah menunjukkan adanya hubungan dengan kategori korelasi erat. Semakin bertambah umur tanaman mempengaruhi sifat fisik tanah terutama pada kedalaman 0-50 cm. Lahan kelapa sawit umur tanaman umur 6-9 tahun memiliki bahan organik terendah yaitu 88,71%, BV tertinggi yaitu 0,25 gr/cm3, dan kadar air terendah yaitu 303,23%. Kata kunci : lahan gambut, kelapa sawit, tinggi muka air, fisik tanah gambut Limited productive land causes agricultural extensification to lead to marginal lands. A decrease in groundwater level (TMAT) will affect the state of peat soil physical properties. This study aims to analyze physical changes in peat soil at several ages of oil palm plants in Danau Lamo Village, Muaro Sebo District, Muaro Jambi Regency, Jambi Province. This study was conducted by purposive sampling method (determination of research plots deliberately considered representative) used on three oil palm fields based on differences in plant age. The results of the study of the deepest TMAT decline in oil palm land aged 6-9 years, namely - 67.17 cm directly influenced by the primary canal of HTI Acacia crassicarpa has a width of 6.5 m and a depth of 3.4 m. The condition of TMAT at the research site directly affects the physical peat soil. The results of regression tests and correlations between TMAT and organic matter, volume weight (BV), and soil moisture content show a relationship with a close correlation category. The increasing age of the plant affects the physical properties of the soil, especially at a depth of 0-50 cm. Oil palm fields aged 6-9 years have the lowest organic matter at 88.71%, the highest BV at 0.25 gr/cm3, and the lowest moisture content at 303.23%. Keywords: peatland, oil palm, water level, physical peat soil

Type:	Thesis (S1)
Uncontrolled Keywords:	peatland, oil palm, water level, physical peat soil
Subjects:	L Education > L Education (General)
Divisions:	Fakultas Pertanian > Agroekoteknologi
Depositing User:	MUZZAMMIL
Date Deposited:	05 Jan 2024 02:38
Last Modified:	18 Jul 2024 04:03
URI:	https://repository.unja.ac.id/id/eprint/59456

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