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All Journal Jurnal Ilmu Pertanian Indonesia TERRA : Journal of Land Restoration Acta Solum
Devanda Ayu Lidya Permata Putri
Department Of Soil Science, Faculty Of Agriculture, Universitas Pembangunan Nasional “Veteran” Yogyakarta, Yogyakarta, Indonesia
Agriculture, Biological Sciences & Forestry

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Respons Tanaman Sorgum atas Aplikasi Mikoriza Arbuskula pada Gradien Konsentrasi N dan P Devanda Ayu Lidya Permata Putri; Rahayu Widyastuti; Idris Idris; Azra Zahrah Nadhirah Ikhwani; Satya Nugroho; I Made Sudiana; Atit Kanti; Masaru Kobayashi
Jurnal Ilmu Pertanian Indonesia Vol. 28 No. 1 (2023): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.28.1.83

Abstract

Sorghum [Sorghum bicolor (L.) Moench] is a multipurpose food crop that can adapt to climate change. Sorghum productivity can be increased by applying chemical fertilizers and arbuscular mycorrhiza fungi (AMF). This research aimed to assess the effect of AMF application and N and P concentration gradients to support Super 2 and KS sorghum accession growth. The plants were grown in a sterilized zeolite (coarse and fine) and inoculated with Glomus mosseae 40 spores per pot. The experimental design was a randomized complete block design with 40 treatments and three replications. N and P concentration gradient treatments were carried out using a dose level of fertilizer N (urea) and P (TSP) at 12,5%; 50%; 75%; 100%; and 125%. Analysis of variance was carried out using SAS 9.0 software at a level of 5%, and the results were significantly different, followed by DMRT. The application of AMF and urea 50% and TSP 75% in Super 2 accessions and urea 50% and TSP 50% in KS accessions gave the highest plant height and biomass. However, the increase in sorghum growth did not correlate with root colonization and root length, which could be seen that the highest in both accessions were obtained at urea 12,5% and TSP 12,5%. The application of AMF can significantly lower the use of urea and TSP fertilizers by up to 50% compared to a positive control (urea and TSP 100%) and support sorghum growth in both accessions. Keywords: Glomus mosseae, Konawe Selatan accession, Super 2 accession, TSP, urea
Outcrop-Scale Investigation of Geological and Soil Physical Controls on Slope Stability in the Semilir Formation Lovita, Vinni; Aminulloh, Dzikru; Mulyanto, Djoko; Ayu Lidya Permata Putri, Devanda; Kresna Pambayu, Aldio
TERRA : Journal of Land Restoration Vol. 8 No. 2 (2025)
Publisher : BPFP Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/terra.8.2.87-95

Abstract

Landslides are a major hazard in Indonesia’s volcanic terrains, where highly weathered pyroclastic rocks and intense rainfall frequently trigger slope failures. This study aims to identify geological, geomorphological, and soil physical factors controlling slope stability within the Semilir Formation of Gunungkidul, Yogyakarta. Field observations and laboratory analyses were conducted to compare outcrops affected by translational landslides with adjacent stable slopes. Key parameters include bedding orientation, soil bulk density, plasticity index, and water retention capacity. The results indicate that dip-slope bedding orientations strongly predispose slopes to translational failure, whereas counter-dip structures enhance stability. Landslide-prone slopes exhibit higher bulk density, lower plasticity, and reduced water-holding capacity, which accelerate saturation and decrease cohesion during intense rainfall. In contrast, stable slopes possess higher plasticity and greater water retention, often reinforced by vegetation roots. These findings highlight the combined role of geological structure and soil properties as reliable indicators of landslide susceptibility. The study’s novelty lies in its outcrop-scale comparative approach within a single volcanic formation, providing practical implications for slope management through vegetation reinforcement, improved drainage, and locally calibrated rainfall thresholds.  Full text pdf
Keragaman Jamur Mikoriza Arbuskular pada Rizosfer Tiga Varietas Tanaman Tebu: Diversity of Arbuscular Mycorrhizal Fungi in the Rhizosphere of Three Sugarcane Varieties Zulfa Fatmawati; Jaka Widada; Donny Widianto; Anjar Cahyaningtyas; Devanda Ayu Lidya Permata Putri
Acta Solum Vol. 3 No. 2 (2025): Maret 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i2.3293

Abstract

Arbuscular mycorrhizal fungi (AMF) form associations with more than 80% of the terrestrial plants. These associations enhance nutrient sequestration and plant resistance to environmental stress. The diversity of AMF is highly influenced by the host plants. The types of AMF in the Bululawang, Kidang Kencana, and Pasuruan Jengkol 922 sugarcane varieties grown in a similar location were identified through morphological and molecular methods. AMF spores were isolated by the wet sieving method. The morphological features of the AMF spore mounted in PVLG and Melzer’s reagent were observed under a microscope. The DNA of the fungi was extracted, and the ribosomal RNA genes were amplified by nested PCR with the NS1-NS4 primer pairs, followed by the AML1-AML2 primer pairs. A moderate diversity of AMF was observed, with a total of 269 spores found in the Kidang Kencana variety, 191 spores in the Bululawang variety, and 142 spores in the Pasuruan Jengkol 922 variety. Four AMF species have been identified morphologically and molecularly, namely Glomus flavisporum, Acaulospora koskei, Gigaspora Margarita, and Scutellospora savannicola. These findings indicate that the number and type of AMF associated with sugarcane roots are influenced by plant varieties, in which the Glomus sp. is the dominant species in the three sugarcane varieties studied.
Unveiling the BPF9 Isolate as a Potential of Phosphate-Solubilizing Bacteria Through In Vitro Characterization Devanda Ayu Lidya Permata Putri; Guruh Mayka Putra; Laudy Arrisa Arumsari Sahana; Intan Nirmalasari
Acta Solum Vol. 3 No. 3 (2025): Juli 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i3.3329

Abstract

The increasing demand for food has driven agricultural intensification, particularly through the use of phosphate fertilizers. However, phosphorus uptake efficiency by plants remains low due to its predominance in insoluble forms in the soil. One promising alternative is the use of phosphate-solubilizing bacteria (PSB). This study aimed to evaluate the solubilization potential of the BPF9 isolate through qualitative and quantitative assays, as well as growth curve profiling. The research was conducted at the Soil and Environmental Biotechnology Laboratory, IPB University. Qualitative phosphate solubilization was assessed on Pikovskaya agar by measuring halo zone formation to calculate the solubilization index (SI). Quantitative analysis was carried out using spectrophotometry at 660 nm. The bacterial growth curve was analyzed using the haemocytometer method. Results showed that BPF9 had a solubilization index of 2.0 (moderate category) and was able to solubilize phosphate up to 128.5 ppm, which is considered highly efficient. The growth curve indicated that BPF9 entered the exponential phase at 26 hours and reached its maximum population at 42 hours. These findings indicate that BPF9 possesses strong phosphate-solubilizing capability and stable growth characteristics, making it a promising candidate for biofertilizer development.
Detection of Arbuscular Mycorrhizal Fungi in the Root of Allium fistulosum Grown in the Fumigated Field Anjar Cahyaningtyas; Devanda Ayu Lidya Permata Putri; Ummi Rosyidah; Zulfa Fatmawati
Acta Solum Vol. 3 No. 3 (2025): Juli 2025
Publisher : Department of Soil, Faculty of Agriculture, Lambung Mangkurat University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/actasolum.v3i3.3355

Abstract

Soil fumigation is important pre-plantation practices to maximize land productivity. Not only effectively eliminate soil pests and pathogens, but this practice also affecting the beneficial soil microbial community including arbuscular mycorrhizal (AM) fungi. The AM fungal community in the roots of Allium fistulosum were studied. The roots have been collected from fumigated and non-fumigated field. The DNA has been extracted, then the fungal LSU ribosomal RNA gene has been amplified and sequenced. Two and three AM fungal OTUs have been detected from fumigated and non-fumigated field, respectively. Decomposer and pathogenic fungi were detected coexist with the AM fungi, suggesting the resilience of these fungi upon fumigation treatment.
Co-Authors Aminulloh, Dzikru Anjar Cahyaningtyas Atit Kanti Azra Zahrah Nadhirah Ikhwani Djoko Mulyanto Donny Widianto Guruh Mayka Putra I Made Sudiana Idris Idris Intan Nirmalasari Jaka Widada Kresna Pambayu, Aldio Laudy Arrisa Arumsari Sahana Masaru Kobayashi RAHAYU WIDYASTUTI Satya Nugroho Ummi Rosyidah Vinni Lovita Zulfa Fatmawati Zulfa Fatmawati