| 英文摘要: | To the Editor —
Recently Powlson et al.1 published a Perspective in Nature Climate Change that strongly refers to Chapter 4 of the 2013 UNEP Emissions Gap Report2. They argue that we used mitigation potentials of no-tillage agriculture that are overly optimistic, which would lead to unrealistic expectations regarding no-tillage as a greenhouse-gas mitigation option. Below we respond to a few critical points of their review, although it merits a more in-depth discourse: |