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Pengaruh Pemberian Berbagai Dosis Rhizobium terhadap Produktivitas Tanaman Kedelai Edamame (Glycine max (L.) Merill.): Effectiveness of Chicken Manure and Various Doses of Rhizobium on the Productivity of Edamame Soybean Plants (Glycine max (L.) Merill.)

Jurnal Ecosolum · Vol. 14 No. 1 (2025) · pp. 88–111

ISSN
2654-430X, 2252-7923
Published
2025-11-24
Publisher
Universitas Hasanuddin
Language
en
License
creativecommons.org/licenses/by-nc/4.0

Abstract

Background. Edamame soybeans are a type of soybean with larger pods than common soybeans and contain a relatively high nutritional value. Nitrogen availability is a key factor in determining the productivity of edamame soybean (Glycine max (L.) Merill.), and the application of Rhizobium is one of the effective methods to enhance biological nitrogen fixation. Objective. This study aimed to evaluate the effect of various Rhizobium doses on the productivity of edamame soybean plants. Method. The experiment was conducted at the experimental field of the Soil Research Institute from August to October 2025 using a one-factor randomized block design (RBD) with four Rhizobium dose levels: no inoculation, 7.5 g/kg seed, 15 g/kg seed, and 22.5 g/kg seed, each replicated three times. Local edamame soybean seeds were incubated with Rhizobium according to the treatment dose prior to planting. Observations included root nodule distribution, nodule size, nodule color, number of leaves, plant height, flowering time, and fresh pod weight per plot. Results. Initial soil analysis indicated acidic conditions (pH 5.0–5.5) with low nutrient content. After treatment, all soil chemical parameters improved, with soil pH increasing to 6.15–6.67, organic C to 1.61–1.90%, total N up to 0.29%, available P₂O₅ up to 16.48 ppm, cation exchange capacity (CEC) up to 23.96 cmol(+)/kg, and increases in Ca, Mg, Na, and K cations. The 22.5 g/kg seed Rhizobium treatment (I3) tended to produce the highest plant growth (33.2 cm height and 27.8 leaves) and the highest soil pH, organic C, and P₂O₅ values, although the differences were not statistically significant for all growth and yield parameters. Conclusion. Analysis of variance showed that the Effect of Various Rhizobium Doses had no significant effect on all treatments. Root nodule distribution and color parameters indicated that nitrogen fixation was not occurring effectively.

Keywords

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17 authors · 26 co-authorship links

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Co-authorOrganisationJoint articles
Asmita AhmadAffiliation unknown2
Muh. JayadiAffiliation unknown2
Zulfikar Ali AhmadAffiliation unknown1
Muh. NathanAffiliation unknown1
Nur IsraAffiliation unknown1
Muhammad Fitrah Khairul AnamiAffiliation unknown1
Risma NeswatiAffiliation unknown1
Irfandi FelixAffiliation unknown1
. SyahrulAffiliation unknown1
Naurha RhamadaniAffiliation unknown1
Sartika LabanAffiliation unknown1
Muhammad AsyrafAffiliation unknown1
Sri Sulva NensiAffiliation unknown1
Hazairin ZubairAffiliation unknown1
Engki FatiawanAffiliation 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.unhas.ac.id/index.php/ecosolum/oai, first harvested 2 Nov 2026, last seen 2 Nov 2026.
Original metadata (oai_dc) 
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	<dc:title xml:lang="en">Pengaruh Pemberian Berbagai Dosis Rhizobium terhadap Produktivitas Tanaman Kedelai Edamame (Glycine max (L.) Merill.): Effectiveness of Chicken Manure and Various Doses of Rhizobium on the Productivity of Edamame Soybean Plants (Glycine max (L.) Merill.)</dc:title>
	<dc:creator xml:lang="en">Munir, Muhammad Rifki</dc:creator>
	<dc:creator xml:lang="en">Lias, Syamsul Arifin</dc:creator>
	<dc:subject xml:lang="en">Edamame soybeans</dc:subject>
	<dc:subject xml:lang="en">Rhizobium</dc:subject>
	<dc:subject xml:lang="en">Root nodules</dc:subject>
	<dc:description xml:lang="en">Background. Edamame soybeans are a type of soybean with larger pods than common soybeans and contain a relatively high nutritional value. Nitrogen availability is a key factor in determining the productivity of edamame soybean (Glycine max (L.) Merill.), and the application of Rhizobium is one of the effective methods to enhance biological nitrogen fixation. Objective. This study aimed to evaluate the effect of various Rhizobium doses on the productivity of edamame soybean plants. Method. The experiment was conducted at the experimental field of the Soil Research Institute from August to October 2025 using a one-factor randomized block design (RBD) with four Rhizobium dose levels: no inoculation, 7.5 g/kg seed, 15 g/kg seed, and 22.5 g/kg seed, each replicated three times. Local edamame soybean seeds were incubated with Rhizobium according to the treatment dose prior to planting. Observations included root nodule distribution, nodule size, nodule color, number of leaves, plant height, flowering time, and fresh pod weight per plot. Results. Initial soil analysis indicated acidic conditions (pH 5.0–5.5) with low nutrient content. After treatment, all soil chemical parameters improved, with soil pH increasing to 6.15–6.67, organic C to 1.61–1.90%, total N up to 0.29%, available P₂O₅ up to 16.48 ppm, cation exchange capacity (CEC) up to 23.96 cmol(+)/kg, and increases in Ca, Mg, Na, and K cations. The 22.5 g/kg seed Rhizobium treatment (I3) tended to produce the highest plant growth (33.2 cm height and 27.8 leaves) and the highest soil pH, organic C, and P₂O₅ values, although the differences were not statistically significant for all growth and yield parameters. Conclusion. Analysis of variance showed that the Effect of Various Rhizobium Doses had no significant effect on all treatments. Root nodule distribution and color parameters indicated that nitrogen fixation was not occurring effectively.</dc:description>
	<dc:publisher xml:lang="en">Universitas Hasanuddin</dc:publisher>
	<dc:date>2025-11-24</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en">Peer-reviewed Article</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.unhas.ac.id/index.php/ecosolum/article/view/45504</dc:identifier>
	<dc:source xml:lang="en">Jurnal Ecosolum; Vol. 14 No. 1 (2025): JUNI; 88-111</dc:source>
	<dc:source>2654-430X</dc:source>
	<dc:source>2252-7923</dc:source>
	<dc:language>en</dc:language>
	<dc:relation>https://journal.unhas.ac.id/index.php/ecosolum/article/view/45504/13737</dc:relation>
	<dc:rights xml:lang="en">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
</oai_dc:dc>