Soil texture
Transcription
Soil texture
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UW-CMN: For-CLIMATE Fall 2011 course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o L#!7#*+!1#$%!)'()*+'1!9$66'+!B'):''-!8,B$)1C!56!1#!8#:!,-9!:87!9#!7#*!)8$-H!)8$1! $1!1#C!!&8$-H!,B#*)!)8'!K'.'),)$#-!,-9!)8'!)#<#.+,<87!#6!7#*+!8,B$),)14* o L#!7#*+!1#$%!)'()*+'1!;#%%';)'9!,)!9$66'+'-)!9'<)81!9$66'+C!56!1#!8#:!,-9!:87!9#! 7#*!)8$-H!)8$1!$1!1#C!&8$-H!,B#*)!)8'!)$/'!6+,/'!$-!:8$;8!)8'1'!1#$%1!6#+/'94* Soil Texture by Feel Flow Chart Guide to Texture by Feel [online] http://soils.usda.gov/education/resources/lessons/texture/. Accessed 1 September 2011. Modified from S.J. Thien. 1979. A flow diagram for teaching texture by feel analysis. Journal of Agronomic Education. 8:54-55.