Question

what are alluvial soils from taxonomy point of view?

Answer 1

Alluvilal soil is rich in nutrients and its rate of productivity is higher.

Explanation:

• Alluvial soil is more sandy and is deposited in the flood areas.
• It is found in the areas that are above the flood regions.
• The amount of nutrients in alluvial soil is fair to medium and is higher in quality than the old soil.
• The rate of productivity of Alluvial soil is higher than the other soils.
• This soil is mostly present around the coastal areas of rivers.

Answer 2

Soil taxonomy is a "hierarchical" "soil classification system" with 6 categories, or levels, which are order, great group, suborder, family,  subgroup, & series

Explanation:

• As per "soil taxonomy classification system" the major soil groups are  Ultisols, Oxisols,  Mollisols, Alfisols, Inceptisols, Entisols, Aridisols, Vertisols,   Histosols, Andisols, Spodosols, & Gelisols,
• With greater land form stability & develpment of soil, alluvial soils can develop into a "myriad of different soils" & therefore can occur in all other soil orders of the "Soil Taxonomy System"
• The diversity of alluvial soils results in a complex array of potential soil classifications such as
• Alluvial soils with "mollic epipedons" & "high base status" all thru are "Mollisols". Alluvial soils in arid climates which develop sub-surface "diagnostic horizons" (examples,calcic,  argillic, & gypsic) are "Aridisols".
• Other alluvial soils with "umbric epipedon"s or "ochric" are "Inceptisols", Ultisols, Alfisols, Spodosols, & Oxisols, depending on the "diagnostic sub-surface horizons" & properties present & the degree of leaching.
• Alluvial soils subject to "cryoturbation" are "Gelisols"; alluvial soils which accumulate "deep organic soil materials" are "Histosols". Andisols & Vertisols are also possible, based on the "mineralogical composition", "texture", & the "soil development degree".

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