Soil nitrous oxide emissions following crop residue addition: a meta-analysis.

  title={Soil nitrous oxide emissions following crop residue addition: a meta-analysis.},
  author={Huaihai Chen and Xuechao Li and Fengbin Hu and Wei Shi},
  journal={Global change biology},
  volume={19 10},
Annual production of crop residues has reached nearly 4 billion metric tons globally. Retention of this large amount of residues on agricultural land can be beneficial to soil C sequestration. Such potential impacts, however, may be offset if residue retention substantially increases soil emissions of N(2)O, a potent greenhouse gas and ozone depletion substance. Residue effects on soil N(2)O emissions have gained considerable attention since early 1990s; yet, it is still a great challenge to… CONTINUE READING
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