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All Journal Jurnal Ilmu Tanah dan Lingkungan (Journal of Soil Science and Environment) Jurnal Biodjati Journal of Tropical Crop Science Jurnal Informasi Sains dan Teknologi (ISAINTEK)
Umadi, Sarah Sakinah
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Environmental Science Other

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Growth Response of Bambara Groundnut to the Application of Rhizobium sp. and Pseudomonas sp. in Matriconditioning and Nitrogen-Phosphate Fertilization Umadi, Sarah Sakinah; Ilyas, Satriyas; Widyastuti, Rahayu
Journal of Tropical Crop Science Vol. 12 No. 01 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.01.37-46

Abstract

Bambara groundnut has the potential to be an alternative food source of protein and carbohydrates. However, the quality of the seeds is not guaranteed, which can affect plant growth. The experiment aimed to determine the growth response of Bambara groundnut to the application of nitrogen fixation bacteria (Rhizobium sp.) and phosphate solubilizing bacteria (Pseudomonas sp.) integrated into matriconditioning and nitrogen-phosphate (NP) fertilizer. The experiment was conducted in Situraja-District, Sumedang Regency, West Java, Indonesia from November 2020 to April 2021. The experiment was arranged in a split-plot randomized complete block design replicated three times. The main plot was NP fertilizer level (0, 50, and 100% of recommended dose), and the sub-plot was seed invigoration (untreated, matriconditioning + Rhizobium KPB2 + Pseudomonas BPF9, and matriconditioning + Rhizobium KPB5 + Pseudomonas BPF9). Corncob biochar was used as the carrier in matriconditioning. The seed invigoration treatments using matriconditioning + Pseudomonas BPF9 + Rhizobium either KPB2 or KPB5 isolate significantly improved the plant growth (field emergence, plant height, leaf number, canopy diameter, and leaf chlorophyll content). Furthermore, when these invigoration treatments were accompanied by chicken manure 2 t.ha-1 significantly increased the leaf number without adding NP fertilizer.
Karakterisasi dan Viabilitas Bakteri Penambat Nitrogen dan Bakteri Pelarut Fosfat dalam Media Pembawa Biochar Ilyas, Satriyas; Widyastuti, Rahayu; Umadi, Sarah Sakinah
Jurnal Ilmu Tanah dan Lingkungan Vol 25 No 2 (2023): Jurnal Ilmu Tanah dan Lingkungan
Publisher : Departemen Ilmu Tanah dan Sumberdaya Lahan, Fakultas Pertanian, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitl.25.2.40-45

Abstract

A consortium of nitrogen-fixing bacteria and phosphate solubilizers serves as biological fertilizers to increase the availability of plant nutrients such as nitrogen (N) and phosphorus (P). The experiment aims to study the character of nitrogen-fixing bacteria and phosphate solubilizing bacteria and compare their viability on the biochar (made from husk charcoal and corn cobs) as the carrier media. The experiment involved several tests, such as pathogenicity, nitrogen-fixing ability, phosphate solubilization ability on solid Pikovskaya media, compatibility, and viability. The results showed that KPB4 isolates were pathogenic to animals or humans. Nitrogen-fixing bacteria isolates, namely KBP1, KBP2, and KBP5, had N solubility (ppm) of 54.86, 77.79, and 76.28, respectively, and had NH3 concentrations (mg/L) of 66.61, 94.46, and 92.63, respectively. BPF9 (phosphate solubilizing bacteria isolate) had a phosphate solubilization index of 1.14. Each isolate of nitrogen-fixing bacteria was compatible with BPF9. The results showed that KBP2 and KBP5 each consorted with BPF9 on corncob biochar carriers had higher bacteria populations (15.50 x 107 CFU/g) after four weeks of storage. Keywords: nitrogen-fixing, phosphate solvent, consortium bacteria, biochar
The Effect of Seed Coating with Trichoderma sp. and Application of Bokashi Fertilizer to the Quality of Soybean (Glycine max. L) Seed Umadi, Sarah Sakinah; Sumadi, Sumadi; Sobarna, Denny Sobardini
Jurnal Biodjati Vol 3 No 2 (2018): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v3i2.3204

Abstract

The decrease of soybean productivity was caused by low quality of seed. To improve the quality of seed, soybean seed were coated  with Trichoderma sp. and adding bokashi organic fertilizer. This research aimed at finding the best dose combination of Trichoderma sp.  and bokashi fertilizer to improve the quality of soybeans. The research was conducted in the experiment field and Laboratory of Seed Technology at Padjadjaran University in April - August 2017. The experimental design in this research was Randomized Block Design (RBD). The treatments were the combination  of four dose values of coating the seed by Trichoderma sp. (0g/100 seeds, 1g/100 seeds, 2g/100 seeds, and 3g/100 seeds) and three dose  of bokashi (0g/polybag, 300g/polybag, and 600g/polybag) and each treatment was replicated three times. The experiment result showed that all treatments on soybean seeds did not affect the germination percentange, vigor index, and conductivity value, but affected the seed quantityof 600g/polybag of bokashi and without seed coating with Trichoderma sp.  on 100 seed mass and seed weight per plant.
Biomassa Sebagai Sumber Energi Alternatif dan Terbarukan Melalui System Literature Review Prastyo, Hadi; Abil Fadila; Muhammad Farrel Syabena; Umadi, Sarah Sakinah; Andika Yuli Heryanto
Jurnal Informasi, Sains dan Teknologi Vol. 8 No. 2 (2025): Desember: Jurnal Informasi Sains dan Teknologi
Publisher : Politeknik Negeri FakFak

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/isaintek.v8i2.362

Abstract

Biomass as a renewable energy source holds immense potential and is applicable across various industrial sectors, being both renewable and sustainable. Renewable energy derived from biomass is widely recognized as one of the most significant energy alternatives due to its environmental friendliness, as it originates from living organisms and has the capacity and availability to serve as a future energy source. This research aims to identify the development of research on biomass as an energy source, specifically in Indonesia, using the Systematic Literature Review (SLR) technique guided by the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) methodology. SLR, which follows standardized rules for identifying and synthesizing relevant studies, provides a comprehensive understanding of the topic's current knowledge base. Data were collected from journals using the Publish or Perish application; an initial search of the Google Scholar database yielded 1600 articles, which were rigorously screened, resulting in 1508 exclusions and 92 inclusions for thorough analysis. Ultimately, this SLR method effectively demonstrates the development of research concerning biomass as a renewable energy source.
Co-Authors Abil Fadila Andika Yuli Heryanto Daniel Happy Putra Denny Sobardini Sobarna, Denny Sobardini Muhammad Farrel Syabena Prastyo, Hadi RAHAYU WIDYASTUTI SATRIYAS ILYAS SUMADI SUMADI