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All Journal Seminar Nasional Lahan Suboptimal Journal of Smart Agriculture and Environmental Technology
Tri Putri Nur
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science Veterinary Other

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Assessing the Quality of Compost Tea Made from Swamp-Growing Lotus Plants Tri Putri Nur; Susilawati; Priatna, Satria Jaya; Marsi; Gofar, Nuni
Journal of Smart Agriculture and Environmental Technology Vol. 1 No. 3 (2023): December 2023: Published, 2023-12-19
Publisher : Indonesian Soil Science Society of South Sumatra in Collaboration With Soil Science Department, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.60105/josaet.2023.1.3.78-83

Abstract

Lotus is a wild plant in wetlands that have not been widely used but has great potential to be developed as compost tea. Therefore, this research aims to evaluate the content of compost tea made from wild lotus found in wetlands, which has not been sufficiently used but has great potential to be developed as compost tea. It was conducted by testing several methods and compositions of compost immersion, namely A1, A2, A3, and A4 at Aeration 1:5, Aeration 1:10, Non-aeration 1:5, and Non-aeration 1:10, respectively. The results show that the pH value increased until day 8 of immersion and then decreased on days 9 and 10, with a range of 8.0-8.44, in the recommended range. Furthermore, the total dissolved solids in the 1:5 water ratio were lower than the 1:10 of compost and water. The content of nutrients (C-organic, N-total, and P-available), bacteria population, actinomycetes, fungi, and humic acid concentration were higher in aeration treatments for both 1:5 and 1:10 compost and water ratios. In addition, humic acid functional groups in compost tea for all treatments were detected, including OH-phenolic, C=C, C=C, COOH, CH3, secondary amides, and tertiary amides with different wavelengths. Based on these results, it can be concluded that aeration treatment provides better results for the observed variables than non-aeration. Keywords: Compost tea, humid acid, liquid organic fertilizer, lotus, nutrient content.
Efektivitas Variasi Dosis Pseudomonas fluorescens pada Perlakuan Benih untuk Meningkatkan Ketahanan Tanaman Cabai Merah (Capsicum annuum L.) Weri Herlin; Rini Emelia Wijaya; Tri Putri Nur; Reza Fitriani; Rara Yunita; Sitmey Oktapiyana
Seminar Nasional Lahan Suboptimal Vol 13, No 1 (2025): Prosiding Seminar Nasional Lahan Suboptimal ke-13 "Optimalisasi Lahan Suboptima
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Herlin, W., Wijaya, R. E., Nur, T. P., Fitriani. R., Yunita, R., & Oktapiyana, S. (2025). Effectiveness of Different Pseudomonas fluorescens Doses in Seed Treatment to Improve Resistance of Red Chili (Capsicum annuum L.). In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-13 Tahun 2025, Palembangg 20 Oktober 2025. (pp. x–y). Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Pest and disease attacks are a challenge in red chili productivity in Indonesia, so special treatment is needed to maintain the resilience of red chili. Soaking chili seeds using antagonistic bacteria Pseudomonas fluorescens is thought to be able to increase chili resistance to pests and plant diseases. This study aimed to test the effectiveness of soaking chili seeds using antagonistic bacteria P. fluorescens to increase resistance as well as the growth and production of red chili. This study was conducted at the Agro Training Center (ATC) in July-October 2024. This study was designed using a Randomized Block Design (RBD) by testing the dose of seed soaking in P. fluorescens solution, namely 0, 3, 6, 9, and 12 mL, with each treatment repeated six times. Observed variables included plant height, number of leaves, number of fruits, and the presence of arthropods. Data were analyzed using ANOVA at the 5% level, which was then further tested using the Least Significant Difference (LSD) at the 5% level. The results showed that treatment with a dose of 3 mL provided optimal results on the vegetative and generative growth of chili plants and indicated ability to produce enzymes that facilitate the absorption of P elements in the soil, while a dose of 9 mL tended to reduce the population of arthropods Cheilomenes sexmaculata, Syrphidae, Coccinella transversalis, Acraea violae, Metaleptea brevicornis, Amblytropidia mysteca, Apis cerana, and Aphis gossypii. The use of Pseudomonas fluorescens as a seed treatment has proven to be an environmentally friendly and effective biological strategy in increasing the growth and resistance of red chili plants.
Co-Authors Marsi NUNI GOFAR Rara Yunita Reza Fitriani Rini Emelia Wijaya Satria Jaya Priatna, Satria Jaya Sitmey Oktapiyana Weri Herlin