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表土 (Japanese Wikipedia)

Analysis of information sources in references of the Wikipedia article "表土" in Japanese language version.

refsWebsite
Global rank Japanese rank
2usda.gov
438th place
1,103rd place
1jssspn.jp
low place
low place
1ncagr.gov
low place
low place
1cmu.edu
1,564th place
3,249th place
1discovermagazine.com
3,042nd place
low place

cmu.edu (Global: 1,564th place; Japanese: 3,249th place)

ce.cmu.edu

discovermagazine.com (Global: 3,042nd place; Japanese: low place)

jssspn.jp (Global: low place; Japanese: low place)

ncagr.gov (Global: low place; Japanese: low place)

  • M. Ray Tucker, J. Kent Messick and Catherine Stokes (1995) Soil Fertility Note 14 : Topsoil. North Carolina Department of Agriculture. [2] (PDF)

usda.gov (Global: 438th place; Japanese: 1,103rd place)

soils.usda.gov

  • U.S. Department of Agriculture (USDA), Soil Survey Division Staff (1993). "Soil Survey Manual." USDA Handbook 18. Chapter 3.

nrcs.usda.gov