Effects of rice husk biochar and its modified forms on Cd2+ immobilization, humus dynamics, and soil fertility in Cd-contaminated paddy soils
Kai Li, Donghui Dai, Jingwei Gao, Mingshuo Wang, Qi Han, Pingxin Liu, Miaoduo Yang, Jiawen Peng, Shuai Wang · 2026
Read Effects of rice husk biochar and its modified forms on Cd2+ immobilization, humus dynamics, and soil fertility in Cd-contaminated paddy soils by Kai Li, Donghui Dai, Jingwei Gao, Mingshuo Wang, Qi Han, Pingxin Liu, Miaoduo Yang, Jiawen Peng, Shuai Wang (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/PMC13276313.txt.
Description
Kai Li and co-authors present a 2026 journal article on cleaning cadmium from rice paddy soil with charred rice husks. Cadmium, a toxic metal, builds up in farm soils and ends up in rice, threatening food safety. Biochar, a charcoal-like material, can lock metals in place, and chemical treatments may improve it.
The team incubated contaminated soil for one hundred twenty days at four cadmium levels. They compared raw husk biochar with three modified versions, treated with acid, alkali, or an oxidizing agent. The oxidant-treated char held the most acid groups and trapped cadmium best at low to moderate pollution. The alkali-treated char, strongly alkaline, stabilized soil best under severe pollution. Both also shifted soil humus, the dark organic matter tied to fertility. The authors map which char suits which contamination level.
Catalog record
| CREATOR | Kai Li, Donghui Dai, Jingwei Gao, Mingshuo Wang, Qi Han, Pingxin Liu, Miaoduo Yang, Jiawen Peng, Shuai Wang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 70642 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |