Synergistic effects of PGPR and amino acids on growth, productivity, and N availability of edamame (Glycine max L. Merrill)

Arisandi, Dewi Puspa and Jumiatun, Jumiatun and Nuraisyah, Mahindra Dewi and Kusuma, Satria Indra and Sulistiono, Dety Oktavia and Ulfa, Widya (2026) Synergistic effects of PGPR and amino acids on growth, productivity, and N availability of edamame (Glycine max L. Merrill). In: BIO Web of Conferences, Oktober 2025, Indonesia.

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Abstract

Edamame is a legume known for its efficient nitrogen utilization. This study aimed to analyze whether the application of amino acids derived from lemuru fish and plant growth-promoting rhizobacteria (PGPR) could improve plant performance and N availability in edamame plants. The design used was a factorial randomized block design with five levels of amino acids (0, 5, 10, 15, and 20 ml/l) and two levels of PGPR (0 and 150 ml/l); inoculants isolated from edamame roots). The data obtained were analyzed using Analysis of Variance (ANOVA). If the results had a significant effect, a further DMRT test was carried out at a level of 5%. The results showed that the use of amino acids significantly differed in the observation of the total number of pods. The use of PGPR and amino acids can increase total N and C/N in the soil.

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