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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) JURNAL ILMU PERTANIAN Jurnal Penelitian Karet Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Indonesian Journal of Agricultural Research Journal of Sylva Indonesiana International Journal of Basic and Applied Science Obor: Oikonomia Borneo PERTANIAN TROPIK Journal of Environmental and Development Studies
Nini Rahmawati
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Physics Social Sciences Veterinary

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Journal : International Journal of Basic and Applied Science

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Effectiveness of horizontal and vertical constructed wetlands performance systems with some vegetation on domestic waste concentrations Harahap, Azmi wijayanti; Rosmayati, Rosmayati; Rahmawati, Nini
International Journal of Basic and Applied Science Vol. 12 No. 3 (2023): December: Basic and Applied Science
Publisher : Institute of Computer Science (IOCS)

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Abstract

Population growth has resulted in the demand for waste water reclamation increasing rapidly. CW systems are an inexpensive technology with little or no energy requirements and very minimal equipment requirements, resulting in low construction costs. This research will test improving the quality of domestic wastewater using a Vertical Flow Artificial Wetland (VFCW) and Horizontal Flow Artificial Wetland (HFCW) system using kangkong, water hyacinth and lotus vegetation. The results of the research carried out can be concluded as follows: in water spinach vegetation there is no difference in the concentration of BOD, COD, DO, Oil and Fat, Detergent, Ammonia, and total coliform parameters of the horizontal CW type and the vertical CW type. In water hyacinth vegetation there were no differences in the concentrations of BOD, COD, DO, Oil and Fat, Detergent, Ammonia, and total coliform parameters of the horizontal CW type and vertical CW type. In lotus vergetation there were no differences in the concentration of BOD, COD, DO, Oil and Fat, Detergent, Ammonia, and total coliform parameters of the horizontal CW type and vertical CW type. In the research results, there is no significant difference in the horizontal CW and vertical CW types in improving water quality, especially domestic waste, you can use horizontal CW or vertical CW types.
Growth and biochemical responses of red chili (Capsicum annuum L) under drought conditions with 6-Benzylaminopurine application Sihotang, Tambun; Siregar, Luthfi Aziz Mahmud; Rahmawati, Nini
International Journal of Basic and Applied Science Vol. 13 No. 2 (2024): Sep: Basic and Applied Science
Publisher : Institute of Computer Science (IOCS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35335/ijobas.v13i2.404

Abstract

The purpose of this research is to assess how red chili plants (Capsicum annuum L.) develop and react biochemically to drought stress, as well as how cytokinin treatment affects these plants. The study employed a factorial Randomized Block Design (RAK) with three replications and two components, namely the degree of drought with three stages, comprising: K1 has an 80% soil water content, K2 has a 60% soil water content, K3 has a 40% soil water content, and S0, S1, S2, and S3 have 0 ppm, 10 ppm, 20 ppm, and 30 ppm of 6-benzylaminopurine concentration, respectively. Plant height, leaf count, root length, flowering age, total and aqueous chlorophyll content, activity of antioxidant enzymes (e.g., superoxide dismutase and peroxide dismutase), and hydrogen peroxide as a signal for plant molecules against dehydration stress are among the parameters assessed. The findings demonstrated that red chili plants under drought stress experienced slower growth, as seen by a reduction in height and leaf count as well as earlier flowering. However, by raising plant height, leaf count, and chlorophyll levels (a, b, and total), cytokinin treatment was able to lessen the deleterious impacts of drought. When treated with 10 ppm 6-Benzylaminopurine, the enzyme activity of superoxide dismutase, peroxide dismutase, and hydrogen peroxide increased, but at other dosages, it tended to decrease, suggesting a slight but noticeable increase in plant defense mechanisms against oxidative stress. Therefore, giving red chili plants 10 parts per million of cytokinin may be a useful tactic for enhancing their resistance to drought stress.
Co-Authors Afifudin Dalimunthe, Afifudin Arie Hapsani Hasan Basri Asmarlaili Sahar Hanafiah Cemda, Abdul Rahman Darma Bakti Delvian Fitria Hamidah Hanum Harahap, Azmi wijayanti Harahap, Fitra Syawal Hilda Julia Hutagaol, Adventris Kurnia Selekta Etika Harefa Lubis, Nursiani Luthfi Aziz Mahmud Siregar Mariana, Merlyn Nur Ulina Warnisyah S Sebayang, Nur Ulina Warnisyah S Pratomo, Bayu prit, Kanvel Ridwansyah Rini Susanti Rosmayati Rosmayati Rosmayati Rosmayati Rosmayati Sihotang, Tambun Silvia Nora, Silvia Sinurat, Darwin Tengku Sabrina Walida, Hilwa Yaya Hasanah Yuliddar Abbas, M Astri Zulfansyah, Ichfan