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Kepadatan Bakteri Biofertilizer Cair Air Kelapa Menggunakan Bakteri Pelarut Fosfat (Bacillus spp.) Asal Tanah Gambut Kalimantan Barat: Density of Liquid Biofertilizer Coconut Water Bacteria Using Phosphate Solubilizing Bacteria (Bacillus spp.) from West Kalimantan Peat Soil

Life Science · Vol. 14 No. 1 (2025) · pp. 31–39

DOI
10.15294/unnesjlifesci.v14.i1.1673
ISSN
2528-5009, 2252-6277
Published
2025-05-31
Publisher
Universitas Negeri Semarang
Language
eng

Abstract

Biofertilizer is an environmentally friendly fertilizer, has a long release time so it can be absorbed by plants long enough, and has enzymatic activities such as binding nitrogen and dissolving phosphate. Phosphate solubilizing bacteria (BPF) can dissolve phosphate that was previously unavailable to become available. This research aims to further examine the potential of BPF isolates from Kalimantan as a liquid biofertilizer agent using coconut water as a medium. The research was conducted for 3 months, from June to August 2023 at the Microbiology Laboratory, Biology Department, Faculty of Mathematics and Natural Science Tanjungpura University, Pontianak. This research used a Completely Randomized Design (CRD) with 8 treatments and 3 replications using the Total Plate Count method. The results of the study showed that the highest treatment is a treatment of A4 on day 6 with an average density of 9,4x108 CFU/mL. The BPF which has the highest potential as a biofertilizer is found in treatment A4, the combination bacterial isolates of Bacillus sp1 and Bacillus sp2, supported by the high population treatment of A4 during each storage. Liquid biofertilizers have many advantages compared to solid biofertilizers, including having a higher number of microbial cells, longer shelf life, greater protection against the environment and better effectiveness in the field. This study can provide information on the density of liquid biofertilizer bacteria using environmentally friendly coconut water media for the community by using phosphate-solubilizing bacteria (Bacillus spp.) from West Kalimantan peat soil.

Keywords

Collaboration network of the authors

40 authors · 72 co-authorship links · showing the 40 most connected

Hover or tap a name to highlight its co-authors. Double-click to open the author's page.

  • Hasanuddin University
  • Universitas Halu Oleo
  • Affiliation unknown
  • Different organisations
  • Same organisation
  • Affiliation unknown
  • Thicker line = more joint articles · bigger circle = more articles
Show as table
Co-authorOrganisationJoint articles
Via AnggitaAffiliation unknown3
Fiza IkramullahAffiliation unknown3
Andini WidyaningsihAffiliation unknown2
Syarifah Risna KhairunisaAffiliation unknown2
Mustamin AnggoUniversitas Halu Oleo1
Nur Hatidjah Awaliyah HalidAffiliation unknown1
Dian RahmaniarAffiliation unknown1
Larasati NingsihAffiliation unknown1
Zulfa ZakiahAffiliation unknown1
Astuti ArifHasanuddin University1
Tutik KuswinantiHasanuddin University1
Musrizal MuinHasanuddin University1
Indah PratiwiHasanuddin University1
Rikhsan KurniatuhadiAffiliation unknown1
Zulfa ZakiahAffiliation unknown1
Riska WindiyantiAffiliation unknown1
Muhammad SunariyaAffiliation unknown1
Ngaisatul LutfiyahAffiliation unknown1
Muhammad FajarAffiliation unknown1
Rahmawati RahmawatiAffiliation unknown1
Mukarlina MukarlinaAffiliation unknown1
Shella Mida JuniartiAffiliation unknown1
Rahmawati RahmawatiAffiliation unknown1
Dewiana NovitasariAffiliation unknown1
Francisca Sestri GoestjahjantiAffiliation unknown1
Anita LufiantiAffiliation unknown1
Kartika Imam SantosoAffiliation unknown1
Meity Mulya SusantiAffiliation unknown1
Anita PurwantiAffiliation unknown1
FajrianiAffiliation unknown1
Wardatul JannahAffiliation unknown1
Fitri NurlaelaAffiliation unknown1
Hendra JayusmanAffiliation unknown1
Martina Kaisriani RupaAffiliation unknown1
Sepdian Luri AsmonoAffiliation unknown1
Nisa Budi ArifianaAffiliation unknown1

Affiliations come from OpenAlex; journal OAI-PMH metadata carries none. Authors without an OpenAlex ID are matched by name, which can merge or split people.

Metadata source: OAI-PMH (metadata jurnal) https://journal.unnes.ac.id/journals/UnnesJLifeSci/oai, first harvested 5 Nov 2026, last seen 8 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Kepadatan Bakteri Biofertilizer Cair Air Kelapa Menggunakan Bakteri Pelarut Fosfat (Bacillus spp.) Asal Tanah Gambut Kalimantan Barat: Density of Liquid Biofertilizer Coconut Water Bacteria Using Phosphate Solubilizing Bacteria (Bacillus spp.) from West Kalimantan Peat Soil</dc:title>
	<dc:creator xml:lang="en">Sari, Lala</dc:creator>
	<dc:creator xml:lang="en">Rahmawati</dc:creator>
	<dc:creator xml:lang="en">Khotimah, Siti</dc:creator>
	<dc:creator xml:lang="en">Mukarlina</dc:creator>
	<dc:subject xml:lang="en">Bacillus cereus</dc:subject>
	<dc:subject xml:lang="en">Biofertilizer</dc:subject>
	<dc:subject xml:lang="en">Phosphate solubilizing bacteria</dc:subject>
	<dc:description xml:lang="en">Biofertilizer is an environmentally friendly fertilizer, has a long release time so it can be absorbed by plants long enough, and has enzymatic activities such as binding nitrogen and dissolving phosphate. Phosphate solubilizing bacteria (BPF) can dissolve phosphate that was previously unavailable to become available. This research aims to further examine the potential of BPF isolates from Kalimantan as a liquid biofertilizer agent using coconut water as a medium. The research was conducted for 3 months, from June to August 2023 at the Microbiology Laboratory, Biology Department, Faculty of Mathematics and Natural Science Tanjungpura University, Pontianak. This research used a Completely Randomized Design (CRD) with 8 treatments and 3 replications using the Total Plate Count method. The results of the study showed that the highest treatment is a treatment of A4 on day 6 with an average density of 9,4x108 CFU/mL. The BPF which has the highest potential as a biofertilizer is found in treatment A4, the combination bacterial isolates of Bacillus sp1 and Bacillus sp2, supported by the high population treatment of A4 during each storage. Liquid biofertilizers have many advantages compared to solid biofertilizers, including having a higher number of microbial cells, longer shelf life, greater protection against the environment and better effectiveness in the field. This study can provide information on the density of liquid biofertilizer bacteria using environmentally friendly coconut water media for the community by using phosphate-solubilizing bacteria (Bacillus spp.) from West Kalimantan peat soil.</dc:description>
	<dc:publisher xml:lang="en">Universitas Negeri Semarang</dc:publisher>
	<dc:date>2025-05-31</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unnes.ac.id/journals/UnnesJLifeSci/article/view/1673</dc:identifier>
	<dc:identifier>10.15294/unnesjlifesci.v14.i1.1673</dc:identifier>
	<dc:source xml:lang="en">Life Science; Vol. 14 No. 1 (2025): May 2025; 31-39</dc:source>
	<dc:source>2528-5009</dc:source>
	<dc:source>2252-6277</dc:source>
	<dc:source>10.15294/unnesjlifesci.v14.i1</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.unnes.ac.id/journals/UnnesJLifeSci/article/view/1673/4205</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 2025 Life Science</dc:rights>
</oai_dc:dc>