A well-developed soil will have all layers O, A, E, B & C on the top of the parent material, from top to down. See the soil horizons diagram. What has happened to the soil when you see the ‘O’ horizon, top soil, and “A” horizon are missing and the “E” horizon is exposed to the surface? Condition True False Soil is young or immature     Soil development is disturbed by erosion     The soil is leached     The soil is waterlogged     The soil salinized     Soil Horizons.docx A well-developed soil will have all layers O, A, E, B & C on the top of the parent material, from top to down. See the soil horizons diagram. What has happened to the soil when you see the E & B layers are missing in a soil profile?

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  1. A well-developed soil will have all layers O, A, E, B & C on the top of the parent material, from top to down. See the soil horizons diagram. What has happened to the soil when you see the ‘O’ horizon, top soil, and “A” horizon are missing and the “E” horizon is exposed to the surface?

Condition

True

False

Soil is young or immature

 

 

Soil development is disturbed by erosion

 

 

The soil is leached

 

 

The soil is waterlogged

 

 

The soil salinized

 

 

Soil Horizons.docx

  1. A well-developed soil will have all layers O, A, E, B & C on the top of the parent material, from top to down. See the soil horizons diagram. What has happened to the soil when you see the E & B layers are missing in a soil profile?
O horizon
Loose and partly
decayed organic
matter
A horizon
Mineral matter
mixed with
some humus
Soil
E horizon
Zone of eluviation
and leaching
Regolith
B horizon
Accumulation of
clay, iron, and
aluminum
from above
C horizon
Partially altered
parent material
Bedrock
R horizon
Unweathered
parent material
© 2017 Pearson Education, Inc.
Transcribed Image Text:O horizon Loose and partly decayed organic matter A horizon Mineral matter mixed with some humus Soil E horizon Zone of eluviation and leaching Regolith B horizon Accumulation of clay, iron, and aluminum from above C horizon Partially altered parent material Bedrock R horizon Unweathered parent material © 2017 Pearson Education, Inc.
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