Nitrogen-Doped Straw Biochar Reduces Lead Toxicity in Paddy Rhizosphere Soil Through Physicochemical and Microbial Synergies
Honghong Li, Zeyu Liu, Zhou Li, Chunle Chen, Meiya Wang · 2026
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Description
Honghong Li and colleagues make nitrogen doped biochar from straw to lock up lead in rice paddy soil, in a 2026 study. Lead is a lasting, highly toxic metal that gathers in living tissue. The char was milled and treated with ammonium nitrate, then tested in adsorption batches and soil pots against plain biochar.
The doped char beat plain char at cutting lead availability. It raised soil water pH, enriched organic matter and key nutrients, and boosted microbe diversity in pots. Certain enriched bacteria may help turn lead into insoluble forms. Gains point to a soil fix that works through both chemistry and microbes.
Catalog record
| CREATOR | Honghong Li, Zeyu Liu, Zhou Li, Chunle Chen, Meiya Wang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 41235 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |