Soil Macrofauna as Bioindicator on Aek Loba Palm Oil Plantation Land

Jhon, Arlen Hanel; Rauf, Abdul; Sabrina, T.; Akoeb, Erwin Nyak

doi:10.22135/sje.2020.5.2.111-119

Cited by 3 publications

(2 citation statements)

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“…As a bioindicator, there are several criteria that need to be observed, such as soil respiration, C/N ratio, and total microbial population [5]. Soil fertility can also be determined through soil chemical indicators such as acidity [6]. Soil fertility is defined as the status of the soil in supplying nutrients in sufficient quantities for growth [8].…”

Section: Imentioning

confidence: 99%

Correlation Analysis of Biological and Chemical Properties of SoilIn the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

Siregar,

Walida,

Hariyati Adam

et al. 2023

IJSE

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The mainstay commodity that can be expected to increase the income and dignity of plantation farmers and Indonesian transmigrants is Palm Oil (Elaeis Guinensis Jacq). Oil palm Soil microbes have an important role in the soil ecosystem which is responsible for the nutrient cycle to maintain soil fertility and structure, especially the biological properties of the soil. This research was carried out through 2 stages of activities, namely field activities and analysis activities. Stages of field activities were carried out at the Kebun Sinar Pandawa Palm Oil Plantation PT. Sinar Pandawa, Labuhanabtu, North Sumatra Province with a height of 28 meters. The method used in this research is a free grid measurement method at a semi-detailed survey level (observation frequency of 1 sample per 500 meters). Carrying out soil sampling at up to 5 sampling points with a distance of 100 meters in the field using a random method, spread over a predetermined area based on the base map. Research Results Land use with different vegetation produces different biological and chemical soil properties. Soil organic C was positively correlated with total microbial population, total fungal population, and respiration. The highest correlation between biological and chemical soil properties was obtained from the total microbial population with a total P of 0.714. The highest correlation was obtained from the correlation between organic C and total N levels, namely 0.947.

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Section: Imentioning

confidence: 99%

Correlation Analysis of Biological and Chemical Properties of SoilIn the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

Siregar,

Walida,

Hariyati Adam

et al. 2023

IJSE

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“…Palm oil has apparently succeeded in becoming a commodity that can penetrate areas such as Kalimantan, North Sumatra and Lampung [4]. According to [5], the physical properties of soil that need to be considered are the problem of soil structure degradation due to management functions. In addition, in cultivated land that is not eroded, organic matter is lost quickly [6].…”

Section: Introductionmentioning

confidence: 99%

Analysis of Several Soil Physical Properties in the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

Wiryansyah,

Syawal Harahap,

Dorliana Sitanggang

et al. 2023

IJSE

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The physical properties of the soil that need to be considered are the problems of degradation and soil structure due to management functions. In addition, on cultivated land that is not eroded, organic material is lost quickly.This research was carried out through 2 stages of activities, namely field activities and analysis activities. Stages of field activities were carried out at the Kebun Sinar Pandawa Palm Oil Plantation PT. Sinar Pandawa, Labuhanabtu, North Sumatra Province with a height of 28 meters. The method used in this research is a free grid measurement method at a semi-detailed survey level (observation frequency of 1 sample per 500 meters). Carrying out soil sampling at up to 5 sampling points with a distance of 100 meters in the field using a random method, spread over a predetermined area based on the base map. Land Use Research Results withSoil texture at PT. Sinar Pandawa, Labuhanbatu Regency, Sandy Clay, The Bulk Density value shows low, soil porosity is still high, the soil color looks relatively dark, and the soil water content is still relatively normal.

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First record of the invasive alien species Cynaeus angustus (LeConte, 1851) (Coleoptera, Tenebrionidae) in Bulgaria

Sivilov¹,

Hristova²

2022

Hist. nat. bulg.

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The invasive alien species Cynaeus angustus (LeConte, 1851) was detected for the first time in Bulgaria. In 2020-2022, eight exemplars of this North American pest were collected at three sites along the Danube River. Its distribution, microhabitat affinity, food preferences as well as some methods for control are outlined. Photographs of the adult habitus, male genitalia and female ovipositor are also provided.

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Soil Macrofauna as Bioindicator on Aek Loba Palm Oil Plantation Land

Cited by 3 publications

References 0 publications

Correlation Analysis of Biological and Chemical Properties of SoilIn the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

Correlation Analysis of Biological and Chemical Properties of SoilIn the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

Analysis of Several Soil Physical Properties in the Third Generation of Oil Palm Plants at PT. Sinar Pandawa Labuhanbatu

First record of the invasive alien species Cynaeus angustus (LeConte, 1851) (Coleoptera, Tenebrionidae) in Bulgaria

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