Zhang et al (2015)

[marzipanwich]

Soil dataset for eastern China (underrepresented region) study in rice paddies

Here's the dataset on dryad http://datadryad.org/resource/doi:10.5061/dryad.6m11c

Here's the paper
http://onlinelibrary.wiley.com.stanford.idm.oclc.org/doi/10.1890/14-0189.1/full