Karakteristik Beberapa Sifat Tanah Pada Berbagai Posisi Lereng Dan Penggunaan Lahan Di Das Ciliwung Hulu

Putri, Marisa Dwi; Baskoro, Dwi Putro Tejo; Tarigan, Suria Darma; Wahjunie, Enni Dwi

doi:10.29244/jitl.19.2.81-85

Cited by 10 publications

(8 citation statements)

References 3 publications

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“…The decrease in DCP value is due to the sample soil on the surface starting to grow mold and the high organic content contained due to the soybeans used. Where the higher the soil organic matter, the higher the water content [21]. The higher the soil organic matter, the higher the water content [21].…”

Section: Calcite Distribution Uniformity and Results Of California Be...mentioning

confidence: 99%

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Scale-Up Soybean Crude Urease Calcite Precipitation (SCU-CP) Method for Sandy Soil Improvement

Oktafiani,

Putra,

Erizal

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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Loose sandy soils tend to have low shear strength; thus, improving the mechanical properties is necessary to enhance the bond of soil grains. Adding an additive that will form a bonding agent, i.e., calcite, within the soil to increase the strength of the soil is a relatively novel technique. Soybean Crude Urease Calcite Precipitation (SCU-CP) is a soil improvement method that utilizes soybeans as a catalyst for calcite formation in the reaction of urea and CaCl2. This study aims to evaluate the efficacy of SCU-CP in the large-scale application in terms of the distribution of calcite and its impact on the behavior of the California Bearing Ratio. A soil sample made with a 1-m acrylic mold with a 5cm diameter and a drum test with a height and diameters of 50 cm and 60 cm, respectively. The results in a percentage distribution of material vertically on a 1-m acrylic mold and horizontally on a 60 cm diameter drum with an even distribution. The average percent spread is 3.96% in the mold and 7.19% in the drum-test even distribution of strength, where the average CBR result is 1.40 on the seventh day. This study concluded that the SCU-CP method with the pouring technique has a promising approach for real-field application.

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Section: Calcite Distribution Uniformity and Results Of California Be...mentioning

confidence: 99%

“…Where the higher the soil organic matter, the higher the water content [21]. The higher the soil organic matter, the higher the water content [21]. This water content and soil moisture make the bond between soil grains and calcite less intense.…”

Section: Calcite Distribution Uniformity and Results Of California Be...mentioning

confidence: 99%

Scale-Up Soybean Crude Urease Calcite Precipitation (SCU-CP) Method for Sandy Soil Improvement

Oktafiani,

Putra,

Erizal

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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“…Beberapa hasil penelitian melaporkan bahwa perbedaan penggunaan lahan akan menghasilkan perbedaan karakteristik kimia, fisik dan biologi tanah. Menurut laporan Putri (2018) perbedaan penggunaan lahan berpengaruh nyata terhadap nilai pH, kadar N-total, serta kation basa (K-dd, Ca-dd dan Mg-dd). Selain itu, menurut penelitian Baihaki (2019) terdapat perbedaan yang nyata untuk nilai pH, kadar C-organik, P-tersedia, Al-dd, Fe, dan Kejenuhan Basa pada lahan hutan dan kebun kelapa sawit.…”

Section: Pendahuluanunclassified

Karakteristik Kimia Tanah pada Areal Kelapa Sawit dan Nilai Konservasi Tinggi (NKT) di Kabupaten Tapin, Provinsi Kalimantan Selatan

Fiqri,

Haris,

Hadi

2024

actasolum

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In the practice of oil palm plantation management, land clearing and cultivation using heavy equipment will change soil conditions from anaerobic to aerobic. This condition will cause sulfide compounds contained in the soil, or commonly referred to as pyrite (FeS2) to undergo an oxidation process that can cause the formation of sulfuric acid compounds (H2SO4) which when dissociated will release H+ ions in the soil solution, thus increasing soil acidity. In addition, improved drainage will also lead to a high likelihood of plant nutrients being leached from the soil. On the other hand, the HCV areas will be left unmanaged by maintaining the original vegetation adjacent to the oil palm plantations. So there are two different land management systems between oil palm land and HCV areas which in theory will have different land characteristics, one of which can be seen from differences in soil chemical characteristics. The purpose of this study was to determine the differences in the characteristics of several soil chemical properties including pH, C-organic, Al-dd and P-available in oil palm land and HCV areas. This research is a field research using survey method. Sampling in the field was carried out by purposive sampling at PT Kharisma Inti Usaha, Tapin Regency, South Kalimantan Province. Soil samples used in this study were soil samples at a depth of 0-30 cm and 30-60 cm on oil palm land and HCV areas where each land was taken as many as 10 sampling points, so that the total sample points amounted to 40 sampling points. The results showed that the characteristics of soil acidity (pH), carbon (C-organic), aluminum (Al-dd) and phosphorus (P-available) on oil palm land were lower than HCV areas in PT Kharisma Inti Usaha Tapin Regency.

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“…Adanya kegiatan pengolahan lahan dan tingkat kerapatan kanopi yang rendah akan menyebabkan peningkatan bobot volume tanah. Butir-butir hujan yang jatuh akan langsung mengenai tanah sehingga tanah akan menjadi lebih padat (Putri et al, 2017). Tingkat kerapatan kanopi yang tinggi dapat melindungi permukaan tanah agar tidak hancur akibat tumbukan air hujan, sehingga tidak terjadi penyumbatan pada pori tanah (Sandrawati et al, 2016).…”

Section: Kelas Tekstur Tanahunclassified

KAJIAN BEBERAPA SIFAT FISIKA TANAH YANG DITANAMI KELAPA SAWIT PADA UMUR DAN KELERENGAN YANG BERBEDA (Studi Kasus Perkebunan Sawit Kelurahan Simpang Tuan, Kecamatan Mendahara Ulu,Tanjung Jabung Timur)

Megayanti

Zurhalena

Junedi

et al. 2022

JTSL

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Land clearing for oil palm plantations using heavy equipment will affect the physical properties of the soil, namely increasing soil compaction and decreasing soil porosity and soil moisture content. However, along with the growth of plantation crops such as oil palm, it is suspected that it can restore the physical properties of the soil. The aim of the study was to examine the differences in the physical characteristics of the soil at various ages of oil palm and the slope. The study was conducted in one of the oil palm plantations, Simpang Tuan Village, Mendahara Ulu District, Tanjung Jabung Timur Regency from March to May 2021. The study was carried out using the survey method, selecting representative areas using the Purposive Random Sampling method on oil palm plantation areas with various ages (newly planted, 5 years old, and 12 years old) and various marbles (0-3%, 3-8%, and 8-15%) with 3 replications. Parameters observed were soil texture, soil organic matter content, bulk density, water content, and soil permeability. The results showed that the older the age of oil palm plantations, the increase in organic matter content, total pore space, water content and soil permeability and a decrease in volume weight. The steeper the slope, the greater the weight of the soil volume and a decrease in the organic matter content, total pore space, water content and soil permeability.

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Karakteristik Beberapa Sifat Tanah Pada Berbagai Posisi Lereng Dan Penggunaan Lahan Di Das Ciliwung Hulu

Cited by 10 publications

References 3 publications

Scale-Up Soybean Crude Urease Calcite Precipitation (SCU-CP) Method for Sandy Soil Improvement

Scale-Up Soybean Crude Urease Calcite Precipitation (SCU-CP) Method for Sandy Soil Improvement

Karakteristik Kimia Tanah pada Areal Kelapa Sawit dan Nilai Konservasi Tinggi (NKT) di Kabupaten Tapin, Provinsi Kalimantan Selatan

KAJIAN BEBERAPA SIFAT FISIKA TANAH YANG DITANAMI KELAPA SAWIT PADA UMUR DAN KELERENGAN YANG BERBEDA (Studi Kasus Perkebunan Sawit Kelurahan Simpang Tuan, Kecamatan Mendahara Ulu,Tanjung Jabung Timur)

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