What is Soil?

What is Soil?
Reading: "What is Soil?"

File 40883 is a 385kB Acrobat (PDF)
Uploaded: Jul31 14
Last Modified: 2014-08-14 11:02:09
https://serc.carleton.edu/download/files/40883/what_soil.v2.pdf

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Soil Science Society of America, reprinted with permission
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