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June 12, 2026International Journal of Plant & Soil ScienceOpen Access

Ameliorating Sandy Loam Soils: Assessing Soil Nutrient Dynamics and Crop Performance under Variable Rates of Hydrogel, Humic acid and Biochar

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Authors

MRM. RamyaPNP NideeshNBN. K. Binitha

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Overview

Randomized trial evaluates soil amendments to improve sandy loam soil quality and chili crop performance, suggesting sustainable practices.

Key Points

  • This research aims to assess the effectiveness of hydrogel, humic acid, and biochar in improving sandy loam soil health and crop productivity.
  • Conducted three randomized pot culture experiments with 100 pots total, using various rates of hydrogel, humic acid, and biochar.
  • Test crop was chili (var Anugraha) with five replications per treatment.
  • Evaluated impacts on soil structure, nutrient availability, and crop yield.
  • Hydrogel at 3 kg ha⁻¹ increased soil aggregate stability and maximum dry matter production to 35.3 g.
  • Synthetic humic acid at 15 kg ha⁻¹ enhanced soil organic carbon, nitrogen, and potassium availability.
  • Hardwood biochar yielded greater benefits in soil health metrics and final fruit yield compared to rice husk biochar.

Cite This Study

Ramya et al. (2026) studied this question.

synapsesocial.com/papers/6a2ba1438101cf8926f00d2dhttps://doi.org/10.9734/ijpss/2026/v38i66120
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