Microbial carbon-use efficiency and straw-induced priming effect within soil aggregates are regulated by tillage history and balanced nutrient supply

Soil samples from an Alfisols with long-term (> 12 years) contrasting tillage intensities (i.e., no-till versus plow-till) were first divided into three distinct dry aggregate-size classes (i.e., mega-, macro-, and microaggregates) and then incubated with 13 C-labeled wheat residue at three input...

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