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All Journal Journal of Degraded and Mining Lands Management Jurnal Pengabdian Masyarakat (ABDIRA) Jurnal Agrisa
Adu Tae, Anthonius S. J.
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Aerospace Engineering Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Immunology & microbiology Languange, Linguistic, Communication & Media Nursing Social Sciences Other

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EKSPLORASI BAKTERI PELARUT FOSFAT INDIGEN PADA EKOSISTEM KEBUN DAN PANTAI DI KABUPATEN KUPANG Baloc, Immanuela S.; Ishaq, Lily F.; Adu Tae, Anthonius S. J.; Serangmo, Diana
JURNAL AGRISA Vol 12 No 2 (2023): Jurnal Agrisa
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/agrisa.v12i2.14246

Abstract

Phosphorus (P) is an essential nutrient for plants. Most of the P in the soil is fixed to soil minerals resulting in insolubility and unavailability of the nutrient to plants. One alternative to overcome this problem is the use of Phosphate Solubilizing Bacteria (PSB). This research was carried out in the Plant Disease Laboratory and Soil Chemistry Laboratory, Faculty of Agriculture, Nusa Cendana University from September 2022 to March 2023. The aims of this research were to investigate the occurrence and diversity of PSB isolates collected from the soil of agricultural land coastal ecosystems Kupang, and to determine their ability to solubilize P. At each ecosystem, five soil samples were taken from the rhizosphere of different plants growing in that ecosystem for PSB isolation and soil analysis. Isolation of PSB was based on pour plate method. The growing isolates were purified, calculated for the PSI and then characterized both macroscopically and microscopically. For morphology characterization of PSB (gram properties and cell shape) gram staining techniques was applied. The results showed that a number of PSB isolates, characterized by the formation of clear zone around the colony of bacteria, was obtained from the rhizosphere of plants from the coastal and agricultural land ecosystems accounted for 16 and 9 isolates respectively. The isolates obtained differed in the morphological characteristics and phosphate solubilizing index (PSI) with the PSI value ranged 2.25- 3 for isolates from agricultural land, and 2,14- 4 for isolates from coastal ecosystem. In the future, the isolates obtained from this study need to be further identified and introduced to plants to evaluate their ability to improve plant acquisition of phosphorus.
The potential of phosphate solubilizing microorganisms (PSM) isolated from different ecosystems on calcareous soils in Timor Island, Indonesia Adu Tae, Anthonius S. J.; Nur, Mahmuddin S.M.; Benggu , Yoke Ivonny; Ishaq, Lily F.; Soetedjo, I N. Prijo; Widinugraheni, Sri; Kasim, Muhammad
Journal of Degraded and Mining Lands Management Vol. 12 No. 3 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.123.7803

Abstract

The study was conducted in three different ecosystems: mamar (a typical local ecosystem close to water catchment areas), farm, and coastal ecosystems. In each ecosystem, soil samples were taken from the rhizosphere of five different plants to investigate the occurrence of PSM, molecularly identify the potential isolates, and evaluate their ability to increase soil phosphorus (P) availability and mungbean yield. The highest population of phosphate-solubilizing bacteria (PSB) was found in the mamar ecosystem. Phosphate-solubilizing fungi were only found in the farm and coastal ecosystems, with low populations, and restricted to the rhizosphere of a few plants. The number of PSB isolates was higher in the coastal ecosystem, followed by the farm and mamar ecosystems. The phosphate solubilizing index of the isolate was quite high, ranging from 210 to 300. One isolate from the five molecularly selected isolates from Kupang regency was identified as Aspergillus sp. (cassava rhizosphere origin), one isolate from the farm ecosystem (Moringa rhizosphere origin), and three isolates from the coastal ecosystem (Jatropha gossypiifolioa, Scheichera oleosa and Calotropis gigantea L. rhizosphere origin) were all identified as Pseudomonas sp. Two selected isolates from a previous study in Timor Tengah Selatan regency, collected from the mamar ecosystem (bamboo and Leuchaena leucocephala rhizosphere), were both identified as Acinetobacter baumannii. Inoculation of PSB resulted in higher available soil P compared to the uninoculated treatment. PSB inoculation also provided higher tissue P than the uninoculated treatment. PSB from coastal areas gave the highest pod weight and seed weight compared to other inoculation treatments.  
Peningkatan Teknik Pembuatan Pupuk Organik Majemuk pada Kelompok Kaum Bapak Jemaat GMIT Mizpa Bonen, Kecamatan Taebenu Kabupaten Kupang Pollo, Roddialek; Benggu, Yoke I.; Adu Tae, Anthonius S. J.; Widinugraheni, Sri; Taloim, Aristarkhus; Imanuel Nalle, Ryan Pieter
Jurnal Pengabdian Masyarakat (ABDIRA) Vol 5, No 3 (2025): Abdira, Juli
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/abdira.v5i3.764

Abstract

This service activity has been carried out in the GMIT Mizpa Bonen categorical group, most of whom work as farmers and livestock breeders who are members of the dry land farmer group. The aim of this training is to provide knowledge, understanding and skills about increasing productivity through the use of livestock manure, dry land weeds and plant litter as compound organic fertilizer which has higher economic value and plays a dual role in dry land plant cultivation. The approach method for this activity is lectures and direct practice regarding the application of making compound organic fertilizer. The results achieved from this PKM activity are that the community has increased knowledge and skills in utilizing plant biomass around their living environment as organic fertilizer to support the growth and development of cultivated plants.
Co-Authors Baloc, Immanuela S. Benggu , Yoke Ivonny Imanuel Nalle, Ryan Pieter ISHAQ, LILY Muhammad Kasim Nur, Mahmuddin S.M. Pollo, Roddialek Serangmo, Diana Soetedjo, I N. Prijo Taloim, Aristarkhus Widinugraheni, Sri Yoke I. Benggu, Yoke I.