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All Journal Pelita Perkebunan KARMAWIBANGGA: Historical Studies Journal
Niken Puspita sari
Indonesian Coffee and Cocoa Research Institute
Agriculture, Biological Sciences & Forestry Education Environmental Science

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SEJARAH DAN PERAN STRATEGIS BENTENG PENDEM CILACAP PADA MASA PENJAJAHAN BELANDA DAN JEPANG TAHUN 1879 – 1945 Puspita Sari, Niken; Triwahana
KARMAWIBANGGA: Historical Studies Journal Vol. 6 No. 1, 2024
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study aims to (1) examine the history of the construction of Benteng Pendem Cilacap, (2) investigate the function of Benteng Pendem Cilacap during Dutch and Japanese colonial periods, and (3) analyze changes in Benteng Pendem Cilacap between 1879 and 1945. The research was conducted in Cilacap Regency, Central Java, using historical research methods. Data were collected through literature review, and the research process involved four steps: heuristic, verification, interpretation, and historiography. The findings indicate that Benteng Pendem was built by the Dutch in 1861 as part of a colonial defense strategy along the southern coast of Java. The fort served to monitor and protect the coastal area from external threats, primarily from sea attacks. In 1942, during the Japanese occupation, Benteng Pendem was taken over and repurposed as part of Japan's defense strategy in the context of World War II. During this period, the fort underwent modifications, including the addition of four bunkers on the upper level to provide protection from aerial attacks.
The Potential of Trichoderma sp. as a Decomposer of Cocoa Pod Husk- Based Compost on Degradation of Herbicide and Insecticide Residues Perdana, Andrian; Puspita Sari, Niken
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 41 No. 2 (2025)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v41i2.659

Abstract

Compost, a final product of composting as a sustainable waste management strategy, contains a wide range of organic pollutants penetrating by deliberate input such as pesticide application in feedstock materials. The involvement of Trichoderma in composting processes is expected to degrade pesticide compounds and enhance compost quality. The study employed four treatments: P1D0 (herbicide without Trichoderma sp.), P1D1 (herbicide with Trichoderma sp.), P2D0 (insecticide without Trichoderma sp.), and P2D1 (insecticide with Trichoderma sp.). The results of pesticide residue and compost quality were analyzed descriptively by comparing the effects of Trichoderma sp. n degrading the herbicide and insecticide residue through the composting process. Compost quality was monitored through initial, biweekly, and final analyses. All compost fulfilled the minimum standards set by the Indonesian Ministry of Agriculture. Incorporation of Trichoderma sp. enhanced compost quality by increasing N content (up to 37.23%) and pH (up to 5.28%), while reducing the C:N ratio (up to 50%). Moreover, it effectively degraded glyphosate and cypermethrin residues by up to 99.96% and 99.48%, respectively. These findings highlight the dual role of Trichoderma-enriched compost in improving compost quality and remediating pesticide residues, supporting sustainable and environmentally friendly agricultural practices.
SEJARAH DAN PERAN STRATEGIS BENTENG PENDEM CILACAP PADA MASA PENJAJAHAN BELANDA DAN JEPANG TAHUN 1879 – 1945 Puspita Sari, Niken; Triwahana
KARMAWIBANGGA Historical Studies Journal Vol. 6 No. 1 (2024)
Publisher : Universitas PGRI Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31316/fkip.vi.7199

Abstract

This study aims to (1) examine the history of the construction of Benteng Pendem Cilacap, (2) investigate the function of Benteng Pendem Cilacap during Dutch and Japanese colonial periods, and (3) analyze changes in Benteng Pendem Cilacap between 1879 and 1945. The research was conducted in Cilacap Regency, Central Java, using historical research methods. Data were collected through literature review, and the research process involved four steps: heuristic, verification, interpretation, and historiography. The findings indicate that Benteng Pendem was built by the Dutch in 1861 as part of a colonial defense strategy along the southern coast of Java. The fort served to monitor and protect the coastal area from external threats, primarily from sea attacks. In 1942, during the Japanese occupation, Benteng Pendem was taken over and repurposed as part of Japan's defense strategy in the context of World War II. During this period, the fort underwent modifications, including the addition of four bunkers on the upper level to provide protection from aerial attacks.
Co-Authors Andrian Perdana Triwahana