I need to understand the point (2.) of the diagnostic criteria of lithological discontinuity of the WRB ?
point (2). a relative change of 20 percent or more in the ratios between coarse sand, medium sand, and fine sand.
Isa Esfandiarpour
Dear Jerome,
Please note to the example on page 69 of World reference base
for soil resources 2014 (Update 2015).
The best,
ISA
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