[1]State Key Laboratory of Soil and Sustainable Agriculture;
Institute of Soil Science;
Chinese Academy of Sciences;
Nanjing 210008;
P.R.China;
[1]State Key Laboratory of Soil and Sustainable Agriculture;
Institute of Soil Science;
Chinese Academy of Sciences;
Nanjing 210008;
P.R.China;
[2]Nanjing Institute of Environmental Science;
Ministry of Ecology and Environment;
Nanjing 210042;
P.R. China;
[3]Key Laboratory of Pesticide Environmental Assessment and Pollution Control;
Ministry of Ecology and Environment;
Nanjing 210042;
P.R.China;
[1]State Key Laboratory of Soil and Sustainable Agriculture;
Institute of Soil Science;
Chinese Academy of Sciences;
Nanjing 210008;
P.R.China;
aluminum toxicity; crop residue biochars; pH buffering capacity; soil acidity;