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All Journal Perkebunan dan Lahan Tropika International Journal of Economics, Education, Law and Social Sciences (IJEELSC)
Rudi Harianto
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Environmental Science Law, Crime, Criminology & Criminal Justice Social Sciences

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MODIFIKASI MEDIA ALTERNATIF DARI SAYURAN UNTUK ANALISIS KUANTITATIF PERTUMBUHAN MIKROORGANISME ASAL TANAH GAMBUT KALIMANTAN BARAT DENGAN METODE TPC Rezekikasari Rezekikasari; Rudi Harianto
Perkebunan dan Lahan Tropika Vol 9, No 1 (2019)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (231.697 KB) | DOI: 10.26418/plt.v9i1.37718

Abstract

Medium formulations for quantitative testing and isolation of microorganism from peat soils, require adequate nutrition. This needs to be supported by the type of substrate and incubation conditions that support each other. Isolation media used mostly though available, but the price is quite high. This is what underlies the need to find alternative sources of new substrates that can support the growth of microbes from peat soils. Some of these ingredients include, carrots, Gembili Bulbs, tomatoes, and pumpkin which are abundantly available in West Kalimantan. This study shows that the best substrate in isolation of bacteria and fungi from peat is Gembili Bulbs with a total colony of 26 x 105 (CFU / gr) and fungi of 10 x 105 (CFU / gr). Peat bacteria and fungus cannot grow on carrot and pumpkin substrate media as indicated by the absence of growing microbial colonies. The best formulation of microbial isolation media with Gembili Bulbs is also supported by the highest C / N ratio of 44.8.Key Words : Bacteria, Fungi, Quantitative, Pour Plate Methode, TPC
PROFITABILITY MODERATES THE INFLUENCE OF CORPORATE SOCIAL RESPONSIBILITY (CSR) AND INDEPENDENT BOARDS OF COMMISSIONERS ON COMPANY VALUE Rudi Harianto
International Journal of Economics, Education, Law and Social Sciences (IJEELSC) Vol. 2 No. 1 (2026): January
Publisher : PT. ZILLZELL MEDIA PRIMA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61990/1b4z0q75

Abstract

This research aims to analyze the effect of Corporate Social Responsibility (CSR) and independent board of commissioners on company value with profitability as a moderation in Manufacturing Companies on the Indonesia Stock Exchange in 2021-2023. This study uses a quantitative approach. The sampling technique used in this study using a purposive sampling approach after the sampling technique was carried out, the companies used in the study were 29 companies with a total observation year of 3 years so that the sample data used was 87 data on manufacturing companies on the Indonesia Stock Exchange in 2021-2023, The data analysis technique used moderation regression analysis. The results of this study indicate that Corporate Social Responsibility (CSR) has an effect on company value, an independent board of commissioners has an effect on company value, profitability has an effect on company value, profitability can be a moderation between Corporate Social Responsibility (CSR) and company value, and profitability can be a moderation between an independent board of commissioners and company value.
Co-Authors Rezekikasari Rezekikasari