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July 15, 2026Scientific ReportsOpen Access

Biochar-amended and fertilized conditions influences nitrogen retention and loss dynamics: insights from a sandy loam soil column study

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This study aims to evaluate how biochar amendments affect nitrogen retention and leaching dynamics in sandy loam soil, particularly focusing on ammonium and nitrate behaviors.
Conducted a soil column experiment under controlled greenhouse conditions across six treatments.
Tested combinations of urea fertilizer with corncob-derived biochar at application rates of 1%-4%.
Measured changes in soil physicochemical properties, nitrogen stabilization, and leaching dynamics.
A 3% biochar application rate maximized ammonium (NH 4 +) stabilization, primarily due to improved cation exchange capacity.
The 4% biochar treatment resulted in the highest nitrate (NO 3 −) concentration but also increased nitrate leaching.
Principal Component Analysis showed strong correlations between biochar effects on soil properties and nitrogen mobility.

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Implication

Randomized trial explores nitrogen retention and leaching dynamics in sandy loam soil, suggesting optimized biochar applications are crucial for environmental protection.

Cite This Study

Iamsaard et al. (2026) studied this question.

synapsesocial.com/papers/6a57236f88b21df8754802c5 https://doi.org/10.1038/s41598-026-62425-2

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Implication

Randomized trial explores nitrogen retention and leaching dynamics in sandy loam soil, suggesting optimized biochar applications are crucial for environmental protection.

Biochar-amended and fertilized conditions influences nitrogen retention and loss dynamics: insights from a sandy loam soil column study

Key Points

Discussion

Implication

Cite This Study

Biochar-amended and fertilized conditions influences nitrogen retention and loss dynamics: insights from a sandy loam soil column study

Key Points

Discussion

Implication

Cite This Study

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