Rubic qualifier (rb): red Munsell hue \(\le\) 5YR AND chroma \(\ge\) 4 in some layer within the upper 100 cm. Less strict than Rhodic (which requires \(\le\) 2.5YR + value < 4); useful as a supplementary tag for tropical soils with reddish colours that don't reach the Rhodic threshold.
Source:R/qualifiers-wrb2022-v093b.R
qual_rubic.RdRubic qualifier (rb): red Munsell hue \(\le\) 5YR AND chroma \(\ge\) 4 in some layer within the upper 100 cm. Less strict than Rhodic (which requires \(\le\) 2.5YR + value < 4); useful as a supplementary tag for tropical soils with reddish colours that don't reach the Rhodic threshold.
Arguments
- pedon
A
PedonRecord.