The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus)

Serkan Yıldız; Alpaslan Kusvuran; Şebnem Kuşvuran

doi:10.31015/2025.4.20

The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus)

Abstract

Drought is one of the most critical environmental factors limiting plant growth, development, and productivity. This study was conducted to evaluate the drought tolerance effects of humic acid (HA) under different irrigation regimes (100% irrigation (C, control), 75% (D1), 50% (D2), 25% (D3), and 0% irrigation (D4)) in Miscanthus × giganteus. The experiment was carried out in plastic pots under greenhouse conditions for 58 days. Reduced irrigation levels negatively affected plant growth to varying degrees, with declines ranging from 3% to 86% compared with the control in parameters such as plant height, stem diameter, leaf width, leaf number and area, and fresh and dry weights of leaves, stems, and roots. Application of HA improved plant resistance to drought, reducing growth losses to 7–45% relative to the control and providing an average improvement of 8–34% compared with plants without HA treatment. Similarly, physiological traits, including leaf relative water content (RWC), leaf water potential (LWP), membrane injury index (MII), and chlorophyll content, were reduced by 1–278% under limited irrigation compared with the control. HA treatments had positive effects on these physiological parameters, leading to an average reduction of 9–61% compared to the control group and an average improvement of 11–33% compared to untreated plants. Overall, the findings demonstrate that humic acid effectively enhances drought tolerance in Miscanthus by alleviating the adverse effects of water deficit stress.

Keywords

Abiotic stress, Biomass, Energy, Grass, Organic materials

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Details

Primary Language

English

Subjects

Fertilisers and Application

Journal Section

Research Article

Authors

Serkan Yıldız
0000-0002-6342-069X
Türkiye

Alpaslan Kusvuran ^*
0000-0002-5252-6261
Türkiye

Şebnem Kuşvuran
0000-0002-1270-6962
Türkiye

Publication Date

December 26, 2025

Submission Date

October 13, 2025

Acceptance Date

December 6, 2025

Published in Issue

Year 2025 Volume: 9 Number: 4

DOI

https://doi.org/10.31015/2025.4.20

IZ

https://izlik.org/JA39FT94NM

APA

Yıldız, S., Kusvuran, A., & Kuşvuran, Ş. (2025). The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus). International Journal of Agriculture Environment and Food Sciences, 9(4), 1181-1190. https://doi.org/10.31015/2025.4.20

AMA

1.Yıldız S, Kusvuran A, Kuşvuran Ş. The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus). int. j. agric. environ. food sci. 2025;9(4):1181-1190. doi:10.31015/2025.4.20

Chicago

Yıldız, Serkan, Alpaslan Kusvuran, and Şebnem Kuşvuran. 2025. “The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × Giganteus)”. International Journal of Agriculture Environment and Food Sciences 9 (4): 1181-90. https://doi.org/10.31015/2025.4.20.

EndNote

Yıldız S, Kusvuran A, Kuşvuran Ş (December 1, 2025) The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus). International Journal of Agriculture Environment and Food Sciences 9 4 1181–1190.

IEEE

[1]S. Yıldız, A. Kusvuran, and Ş. Kuşvuran, “The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus)”, int. j. agric. environ. food sci., vol. 9, no. 4, pp. 1181–1190, Dec. 2025, doi: 10.31015/2025.4.20.

ISNAD

Yıldız, Serkan - Kusvuran, Alpaslan - Kuşvuran, Şebnem. “The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × Giganteus)”. International Journal of Agriculture Environment and Food Sciences 9/4 (December 1, 2025): 1181-1190. https://doi.org/10.31015/2025.4.20.

JAMA

1.Yıldız S, Kusvuran A, Kuşvuran Ş. The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus). int. j. agric. environ. food sci. 2025;9:1181–1190.

MLA

Yıldız, Serkan, et al. “The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × Giganteus)”. International Journal of Agriculture Environment and Food Sciences, vol. 9, no. 4, Dec. 2025, pp. 1181-90, doi:10.31015/2025.4.20.

Vancouver

1.Serkan Yıldız, Alpaslan Kusvuran, Şebnem Kuşvuran. The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus). int. j. agric. environ. food sci. 2025 Dec. 1;9(4):1181-90. doi:10.31015/2025.4.20

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The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus)

The Effect of Humic Acid Application on Drought Tolerance of Miscanthus (Miscanthus × giganteus)

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