Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation

Retno Rosariastuti; Addina Harir Nur Azka; Evi Irawan; Sumani Sumani; Purwanto Purwanto

doi:10.18393/ejss.1819557

Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation

Abstract

Prolonged and excessive application of chemical fertilizers risks degrading soil quality. Biofilm biofertilizers offer a potential solution, but research on their effectiveness in Andisol soils is limited. This research intends to assess the potential of biofilm biofertilizer from the western slope of Mount Lawu to improve Andisol soil fertility in pakchoi cultivation and reduce the use of chemical fertilizers. The study had a completely randomized design with 6 treatments and 4 replications in an experimental setting in the greenhouse. The treatment balanced the dose of biofilm biofertilizer and chemical fertilizer. Based on the results of the study, the application of biofilm biofertilizer from the western slope of Mount Lawu both as a single fertilizer and its balance with chemical fertilizers was able to enhance the fertility of Andisol soil and pakchoi yield. Treatment 25% biofilm biofertilizer + 75% chemical fertilizer (B) gave the highest results in CEC (39.82 cmol(+) kg-1 or 87.74% higher than the control), N-Total (1.29% or 34.38% higher than the control), K-available (0.4 cmol(+) kg-1 or 42.86% higher than the control), and plant fresh weight (28.08 g or 37 times higher than the control). Treatment 100% biofilm biofertilizer (E) gave the highest results in P-Available (0.65 ppm or 116.67% higher than the control), bacterial population (6.02 Log 10 CFU g-1 or 25.94% higher than the control), and fungal population (2.8 Log 10 CFU g-1 or 42.13% higher than the control). The results can lessen the need for chemical fertilizers by 25%-100%.

Keywords

Supporting Institution

Universitas Sebelas Maret

Project Number

228/UN27.22/PT.01.03/2023

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Details

Primary Language

English

Subjects

Soil Sciences and Plant Nutrition (Other)

Journal Section

Research Article

Authors

Retno Rosariastuti ^*
0000-0001-8041-7444
Indonesia

Addina Harir Nur Azka This is me
0009-0002-0103-7588
Indonesia

Evi Irawan This is me
0000-0003-1136-8460
Indonesia

Sumani Sumani
0000-0002-7488-2478
Indonesia

Purwanto Purwanto
0000-0003-1955-9448
Indonesia

Publication Date

January 2, 2026

Submission Date

February 26, 2025

Acceptance Date

November 1, 2025

Published in Issue

Year 2026 Volume: 15 Number: 1

DOI

https://doi.org/10.18393/ejss.1819557

IZ

https://izlik.org/JA88HN88HG

Cite

RIS / Bibtex

APA

Rosariastuti, R., Azka, A. H. N., Irawan, E., Sumani, S., & Purwanto, P. (2026). Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation. Eurasian Journal of Soil Science, 15(1), 35-44. https://doi.org/10.18393/ejss.1819557

AMA

1.Rosariastuti R, Azka AHN, Irawan E, Sumani S, Purwanto P. Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation. EJSS. 2026;15(1):35-44. doi:10.18393/ejss.1819557

Chicago

Rosariastuti, Retno, Addina Harir Nur Azka, Evi Irawan, Sumani Sumani, and Purwanto Purwanto. 2026. “Evaluation of Biofilm Biofertilizer from the Western Slope of Mount Lawu for Enhancing Andisol Soil Fertility in Pakchoi (Brassica Chinensis L.) Cultivation”. Eurasian Journal of Soil Science 15 (1): 35-44. https://doi.org/10.18393/ejss.1819557.

EndNote

Rosariastuti R, Azka AHN, Irawan E, Sumani S, Purwanto P (January 1, 2026) Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation. Eurasian Journal of Soil Science 15 1 35–44.

IEEE

[1]R. Rosariastuti, A. H. N. Azka, E. Irawan, S. Sumani, and P. Purwanto, “Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation”, EJSS, vol. 15, no. 1, pp. 35–44, Jan. 2026, doi: 10.18393/ejss.1819557.

ISNAD

Rosariastuti, Retno - Azka, Addina Harir Nur - Irawan, Evi - Sumani, Sumani - Purwanto, Purwanto. “Evaluation of Biofilm Biofertilizer from the Western Slope of Mount Lawu for Enhancing Andisol Soil Fertility in Pakchoi (Brassica Chinensis L.) Cultivation”. Eurasian Journal of Soil Science 15/1 (January 1, 2026): 35-44. https://doi.org/10.18393/ejss.1819557.

JAMA

1.Rosariastuti R, Azka AHN, Irawan E, Sumani S, Purwanto P. Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation. EJSS. 2026;15:35–44.

MLA

Rosariastuti, Retno, et al. “Evaluation of Biofilm Biofertilizer from the Western Slope of Mount Lawu for Enhancing Andisol Soil Fertility in Pakchoi (Brassica Chinensis L.) Cultivation”. Eurasian Journal of Soil Science, vol. 15, no. 1, Jan. 2026, pp. 35-44, doi:10.18393/ejss.1819557.

Vancouver

1.Retno Rosariastuti, Addina Harir Nur Azka, Evi Irawan, Sumani Sumani, Purwanto Purwanto. Evaluation of biofilm biofertilizer from the western slope of Mount Lawu for enhancing Andisol soil fertility in pakchoi (Brassica chinensis L.) cultivation. EJSS. 2026 Jan. 1;15(1):35-44. doi:10.18393/ejss.1819557