Knife penetrates only 1–2 cm into the moist soil, some effort required, sample disintegrates into few fragments, which cannot be subdivided further.
URI: http://w3id.org/glosis/model/codelists/bulkDensityMineralValueCode-BD4
In concept scheme
Code list for bulkDensityMineralValue - codelist scheme
Definition
Loamy soils with high clay content, clayey soils. Sample remains intact when dropped, no further disintegration after application of very large pressure.
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BD4