Sewage sludge biochar influence upon rice (Oryza sativa L) yield, metal bioaccumulation and greenhouse gas emissions from acidic paddy soil.

@article{Khan2013SewageSB,
  title={Sewage sludge biochar influence upon rice (Oryza sativa L) yield, metal bioaccumulation and greenhouse gas emissions from acidic paddy soil.},
  author={Sardar Ayub Khan and Cai Chao and Muhammad Waqas and Hans Petter Heinrich Arp and Yong-guan Zhu},
  journal={Environmental science & technology},
  year={2013},
  volume={47 15},
  pages={
          8624-32
        }
}
Biochar addition to soil has been proposed to improve plant growth by increasing soil fertility, minimizing bioaccumulation of toxic metal(liod)s and mitigating climate change. Sewage sludge (SS) is an attractive, though potentially problematic, feedstock of biochar. It is attractive because of its large abundance; however, it contains elevated concentrations of metal(loid)s and other contaminants. The pyrolysis of SS to biochar (SSBC) may be a way to reduce the availability of these… CONTINUE READING
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