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All Journal Sinergi G-Tech : Jurnal Teknologi Terapan 3BIO: Journal of Biological Science, Technology and Management Current Research on Biosciences and Biotechnology
Taufikurahman, Taufik
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Medicine & Pharmacology Neuroscience

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The effect of paraquat dichloride and carbosulfan on soil conditions and population dynamic of soil microbes in a cornfield: a case study in Sumedang, West Java Taufikurahman, Taufik; Aryantha, I Nyoman P; Purwasena, Isty Adhitya; Zahra, Muhandinni; Stefania, Marchia; Fitriyani, Azizah Nur Fitriyani
Current Research on Biosciences and Biotechnology Vol. 5 No. 2 (2024)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/crbb.2024.5.2/BQCGURSN

Abstract

Paraquat dichloride (PC) is one of the herbicides active ingredients that is widely used by farmers to control various types of weeds, while carbosulfan (CS) is one of the insecticide’s active ingredients that is widely used to control various types of insect pests. The objective of this study is to analyze the impact of pesticides for PC and CS on the chemical and physical conditions of the soil and the dynamics of fungi and soil bacteria population in a corn field in Sumedang district, West Java. The experiment took place between August and October, during the dry season, concluding just as the rainy season began. The PC concentrations used were 0 mL/L, 3.33 mL/L, 4 mL/L, 4.66 mL/L and 5.33 mL/L, while the CS concentrations used were 0 mL/L, 0.5 mL/L, 1 mL/L, 1.5 mL/L and 2 mL/L. Soil sampling was conducted before and after the application of pesticides. The total abundance of fungi and bacteria was analyzed using the total plate count (TPC) method. The application of PC to the cornfield slightly decreased soil bulk density from 1.354 g/cm3 to 0.816 g/cm3, while the application of CS slightly increased soil bulk density. A decrease in bulk density is considered positive for the physical conditions of the soil for plant cultivation. In general, the result indicated that the application of PC and CS did not show a significant effect on the chemical characteristics of the soil, and also it did not affect the population of fungi and bacteria. Weather conditions, i.e. dry season (June-September) and rainy season (started from October) seem to affect more on soil conditions as well soil microbial population than the application of the pesticides.
Incorporating rainwater harvesting systems into the design of green infrastructure, alongside constructed wetlands and fishponds Taufikurahman, Taufik; Susila, Endra; Ginanjar, Tetep; Rizkyani, R. R. Deby Anindya
SINERGI Vol 28, No 3 (2024)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/sinergi.2024.3.020

Abstract

In rural areas grappling with recurring water scarcity during dry periods, the imperative for water conservation becomes evident. This research centers on Green Infrastructure (GI), showcasing its substantial potential for better water management practices, specifically in the realms of rainwater harvesting and greywater treatment. We implemented an integrated household-scale rainwater harvesting system (RWH) coupled with greywater processing using a constructed wetland (CW). The constructed wetland, filled with sands and gravels and adorned with Napier grass (Pennisetum purpureum), served as a filtration medium for both greywater and rainwater before channelling them into a fishpond. The project was conducted at the ITB research station in Haurngombong village, Pamulihan sub-district, Sumedang, West Java. The project exemplified an effective synergy between the RWH system and a constructed wetland for greywater treatment, benefiting both plant irrigation and fishpond utilization. The demonstrated approach holds significant potential added value for communities, serving as a reservoir for crop irrigation, supporting fish farming, and facilitating greywater treatment through an integrated aquaponic system.
Biomonitoring of Air Quality Using Lichen as Bioindicator in The Greater Bandung Area, West Java Saragih, Dora Erawati; Irwanto, Rina Ratnasih; Taufikurahman, Taufik
3BIO: Journal of Biological Science, Technology and Management Vol. 6 No. 2 (2024)
Publisher : School of Life Sciences and Technology, Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/3bio.2024.6.2.3

Abstract

Air quality assessment in an area can be determined by conducting biomonitoring using bioindicator organisms, including lichen. Lichen is a symbiotic organism that passively absorbs nutrients and chemical compounds from the air. This research was conducted in the Greater Bandung area, including Bandung City and West Bandung Regency, to observe the abundance of lichen species so that the purity of the atmosphere could be evaluated at each research location and determine the effect of environmental variables on lichen abundance.The survey area was divided into 40 units spread over two locations in Bandung, namely Djuanda street (JD), Kebon Kawung street (KK), and two locations in West Bandung Regency, namely Padalarang street (PD) and Curug Cimahi (CC). CC locations with low levels of pollution were used as comparison areas. Lichen samples from observation locations were identified, and the number of colonies, frequency of closure, and diversity (H’) were counted so that the Index of atmospheric purity (IAP) value at each observation location could be known. As many as 24 species from 14 lichen families with a total of 256 colonies were found in the four observation sites with the percentage of thallus crustose (62%), foliose (37%), and fruticose (1%). The highest lichen diversity was found in the CC area (2.62), followed by JD (1.99), PD (1.63), and the lowest in KK (0.90). The lowest IAP result was in KK (10.21), followed by PD (17.70) and JD (31.85). The location with the highest IAP was obtained at CC (46.65), indicating that the environmental conditions were still good, while other locations were polluted.
Application of Trichoderma sp. for enhancing growth and defence mechanism of red chilli (Capsicum annuum L.) cultivated under aluminum stress Hazimah, Nabillah; Taufikurahman, Taufik; Iriawati
Current Research on Biosciences and Biotechnology Vol. 6 No. 2 (2025)
Publisher : Institut Teknologi Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5614/crbb.2025.6.2/JQU3BSWW

Abstract

The extensive peatlands across Indonesia offer significant potential for cultivating food and horticultural crops, particularly red chili, a valuable commodity. However, these lands face significant challenges, including low pH levels and the presence of heavy metals, which can hinder plant growth. Heavy metals are harmful environmental pollutants that pose risks to agricultural land and plant health. Plant-microorganism interactions, like those with Trichoderma species, can boost plant growth and reduce aluminum (Al) toxicity. This study evaluated the effects of Trichoderma sp. on the growth and defense mechanisms of Tanjung variety chili plants under Al stress. The experiment used a Completely Randomized Design in factorial pattern with two factors: Trichoderma sp. at four levels (0 g, 10 g, 15 g, 30 g) and Al 0 ppm, 100 ppm, 200 ppm, 300 ppm). Observations included plant height, number of branches, plant dry weight, water content, total chlorophyll content, catalase and ascorbate peroxidase enzymes activity. The results indicated that 300 ppm Al reduced plant height to 14.22 ± cm, while adding 15 g Trichoderma sp. and 200 ppm Al increased plant height up to 20.2 ± 1.90 cm (control 15.14 ± 2.75 cm). 300 ppm Al reduced plant dry weight to 3.12 ± 0.12 g, but adding 15 g Trichoderma sp. increased plant dry weight to 8.29 ± 1.32 g compared to control (5.14 ± 0.46 g). The treatment of 30 g Trichoderma sp. without Al-induced increased total chlorophyll content (3.85 ± 0.9) (control 3.56 ± 0.90). Chili plants showed enhanced defence mechanism responses with higher CAT enzyme activity (27.95 ± 1.31 units/mg) when treated with 15 g of Trichoderma sp. and 300 ppm Al stress. Additionally, the application of 10 g of Trichoderma sp. under 300 ppm Al stress elevated APX enzyme activity to 0.111 ± 0.007 units/mg, and under 100 ppm Al stress. Thus, the treatment of 15 g and 30 g Trichoderma sp. effectively improved chilli plant growth and countered the adverse effects of Al stress.
An Application of Water Pollution Index (PI) to Describe the Water Quality of Ciwalen River, Garut Regency Kristin, Marcellina; Taufikurahman, Taufik; Choesin, Devi Nandita
G-Tech: Jurnal Teknologi Terapan Vol 9 No 4 (2025): G-Tech, Vol. 9 No. 4 October 2025
Publisher : Universitas Islam Raden Rahmat, Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70609/g-tech.v9i4.7783

Abstract

Garut Regency is one of the famous leather producing areas in Indonesia. The existence of leather tanning industry gives some positive impact in economic but also some negative impact to the environment. This study aims to analyze the condition of Ciwalen River using the Pollution Index (PI) method to monitor the river water quality. Water sampling was carried out using the grab sampling technique during dry and rainy season, on June and December 2024. The parameters measured include BOD, COD, TSS, pH, oil and fat, ammonia, total chrome, and sulfide concentration. These parameters were used to calculate Water Pollution Index (PI). Based on the PI, the condition of the Ciwalen river that passes through the Sukaregang leather tanning industry area is polluted. In dry season, the condition of the water cannot be used for drinking water and is moderately polluted for class II-IV needs such as livestock, fisheries, and plant watering. While in rainy season there is a decrease in polluted conditions to moderate polluted for classes I-III and light polluted for class IV due to higher debit and self purification process.
Co-Authors Devi Nandita Choesin, Devi Nandita Endra Susila Fitriyani, Azizah Nur Fitriyani Ginanjar, Tetep Hazimah, Nabillah I Nyoman P Aryantha Iriawati Irwanto, Rina Ratnasih Kristin, Marcellina PURWASENA, ISTY ADHITYA Rizkyani, R. R. Deby Anindya Saragih, Dora Erawati Stefania, Marchia Zahra, Muhandinni