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All Journal Jurnal Magrobis INFOKUM
Hasni Kasim, Hasni
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Agriculture, Biological Sciences & Forestry Computer Science & IT

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ANALISIS INPUT-OUTPUT ENERGI BUDIDAYA MENTIMUN (Cucumis sativus L.) DENGAN SISTEM IRIGASI SPRINKLER Suryanto, Joko; Kasim, Hasni; Nurhayati, Nurhayati
Jurnal Magrobis Vol 19, No 1 (2019)
Publisher : Agriculture Faculty, University of Kutai Kartanegara, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (880.419 KB)

Abstract

The aim of the research was energy analysis (input-output) cucumber in cultivation under sprinkler irrigation system. Data were collected using interview method from cucumber farmer that cultivation cucumber in field 15 x 9 m2 in Bengalon, Kutai Timur. The results indicated that  total energy input and total energy output was found 35 204 MJ/ha and 69 926 MJ/ha, respectively. The energy indices covering energy rasio (energy use efficiency), energy specific,  energy productivity and net energy were 1,99,  0,40 MJ/kg, 2,48 kg/MJ and 34 722 MJ/ha, respectively. The cucumber cultivativation under sprinkler irrigation system, 38,21 % of total energy input was classified direct energy and 61,79 % was indirect energy. Results futher indicated that 90,18 % of total energy input was in non-renewable energy form, and only 9,82 % was in renewable form. The main non-renewable inputs were fuel and chemical fertilizers 34,53 % and 22, 69 %, respectively. Therefore, irrigation efficiency should be improved and reductions of chemical fertilizers would be suggested to reduce non-renewable energy input in cucumber cultivativation under sprinkler irrigation system. Keywords: Cucumber cultivation, energy rasio, input energy, non-renewable energy, sprinkler irrigation system
IMPACT ANALYSIS OF COAL MINING ON WATER POLLUTION IN BUNATI VILLAGE, ANGSANA SUB-DISTRICT, TANAH BUMBU REGENCY, SOUTH KALIMANTAN Kasim, Hasni; Haslinda, Haslinda; Yusuf, Muh; Rachmat, Rachmat; Basmar, Muh. Fahmi
INFOKUM Vol. 10 No. 5 (2022): December, Computer and Communication
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/infokum.v10i5.1086

Abstract

The purpose of this study was to analyze the heavy metal mercury (Hg) component in coal mining waste water during mining activities. A field observation method has been used to continuously capture and monitor sampling at mining and processing sites. In the laboratory, tests for the content of metal mercury (Hg) in liquid waste from mine waste have been completed. The three components of the field survey are preliminary research, main research (sampling), and laboratory analysis. Air samples were fired at pre-tapped points based on waste conditions while fully appreciating the potential of about four points. The results showed that there were two air samples with very high mercury content, namely 5.0828 pp Hg at location 02 (ST.02) and 6.3060 pp Hg at location 3 (ST.03).
Co-Authors Basmar, Muh. Fahmi Haslinda Haslinda, Haslinda Joko Suryanto Muh Yusuf Nurhayati Nurhayati RACHMAT RACHMAT