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Abstract <p>Arbuscular mycorrhizal fungi (AMF), glomalin-related soil protein (GRSP), and soil ergosterol are critical bio-indicators of soil health, known for their roles in enhancing nutrient and water absorption by plants. Despite their recognized importance, the interplay among these indicators under the influence of seasonal changes and specific soil amendment practices remains poorly understood, with existing studies showing varied interactions. This study investigates the effects of four distinct soil amendment practices across different seasons on AMF spore density, GRSP levels, and ergosterol content in a <i>Typic Ustochrept</i> soil of North Western India. Results indicate that seasonal dynamics significantly influence these biological features, with soil temperature increases during the summer enhancing all three indicators. Particularly, uncultivated land exhibited the highest levels of AM fungi spore density, GRSP, and ergosterol. In contrast, on cultivated lands, the consistent application of compost mitigated the adverse effects of soil disturbance, maintaining elevated levels of these indicators throughout the year. These findings underscore the potential of targeted soil management practices in maintaining soil health and productivity in variable climatic conditions, emphasizing the role of bio-indicators in sustainable agricultural strategies.</p>

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Impact of Seasonal Dynamics and Agronomic Practices on Soil Health Indicators: Arbuscular Mycorrhizal Fungi, Glomalin-Related Soil Protein, and Ergosterol

  • 期刊论文

  • 发表日期：

    2025年5月13日

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  • S. Bhattacharjee,
  • V. D. Rajput,
  • B. Biswal,
  • N. Basak,
  • R. Kumar

摘要

Abstract

Arbuscular mycorrhizal fungi (AMF), glomalin-related soil protein (GRSP), and soil ergosterol are critical bio-indicators of soil health, known for their roles in enhancing nutrient and water absorption by plants. Despite their recognized importance, the interplay among these indicators under the influence of seasonal changes and specific soil amendment practices remains poorly understood, with existing studies showing varied interactions. This study investigates the effects of four distinct soil amendment practices across different seasons on AMF spore density, GRSP levels, and ergosterol content in a Typic Ustochrept soil of North Western India. Results indicate that seasonal dynamics significantly influence these biological features, with soil temperature increases during the summer enhancing all three indicators. Particularly, uncultivated land exhibited the highest levels of AM fungi spore density, GRSP, and ergosterol. In contrast, on cultivated lands, the consistent application of compost mitigated the adverse effects of soil disturbance, maintaining elevated levels of these indicators throughout the year. These findings underscore the potential of targeted soil management practices in maintaining soil health and productivity in variable climatic conditions, emphasizing the role of bio-indicators in sustainable agricultural strategies.