Zonal order
These are types of soil that have undergone long time soil formation processes under good drainage conditions.
Intrazonal order
These are soils formed under poor drainage systems.
Azonal order
These are young soils which have not undergone full soil formation processes.
Faimus answered the question on March 17, 2018 at 14:20
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Soil erosion is a serious environmental hazard but also has various benefits. Highlight any two positive impacts of soil erosion.
Date posted: March 17, 2018. Answers (1)
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Date posted: March 17, 2018. Answers (1)
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Various human activities favour soil degeneration through soil erosion. Discuss any three human activities that favour soil erosion.
Date posted: March 17, 2018. Answers (1)
- (a) What is soil erosion?
(b) Describe the five types of soil erosion
(c) Briefly explain any three physical factors that favour soil erosion. (Solved)
(a) What is soil erosion?
(b) Describe the five types of soil erosion
(c) Briefly explain any three physical factors that favour soil erosion.
Date posted: March 17, 2018. Answers (1)
- (i) The following factors cause soil degeneration. Leaching, Continuous cropping, Change of pH (ii) Describe how these factors influence soil degeneration. (Solved)
(i) The following factors cause soil degeneration.
Leaching
Continuous cropping
Change of pH
(ii) Describe how these factors influence soil degeneration.
Date posted: March 17, 2018. Answers (1)
- (a) What is soil catena
(b) What is soil degeneration
(c) Describe any three causes of soil degeneration (Solved)
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(b) What is soil degeneration
(c) Describe any three causes of soil degeneration
Date posted: March 17, 2018. Answers (1)
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(b) Name and describe the four soil layers (Solved)
(a) What is soil profile
(b) Name and describe the four soil layers
Date posted: March 16, 2018. Answers (1)
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(a) Describe the following terms associated with soils
Soil texture
Soil porosity
Soil permeability
(b) What is the importance of soil acidity
Date posted: March 16, 2018. Answers (1)
- (a) What is soil structure
(b) Give the four types of soil structure. (Solved)
(a) What is soil structure
(b) Give the four types of soil structure.
Date posted: March 16, 2018. Answers (1)
- The main factors influencing soil formation are the nature of the parent rock and climate. Briefly describe how these factors influence soil formation. (Solved)
The main factors influencing soil formation are the nature of the parent rock and climate. Briefly describe how these factors influence soil formation.
Date posted: March 16, 2018. Answers (1)
- The following factors influence soil formation. Briefly explain how they influence the formation of soil. Living organisms, Relief, Time (Solved)
The following factors influence soil formation. Briefly explain how they influence the formation of soil.
Living organisms
Relief
Time
Date posted: March 16, 2018. Answers (1)
- (a) Describe the following leaching processes leading to the formation of various soil types. Ferralisation, Eluviation, Illuviation, Podzolisation, Calcification, Ribification, Salinisation (b) Differentiate between eluviation and illuviation. (Solved)
(a) Describe the following leaching processes leading to the formation of various soil types.
Ferralisation
Eluviation
Illuviation
Podzolisation
Calcification
Ribification
Salinisation
(b) Differentiate between eluviation and illuviation.
Date posted: March 16, 2018. Answers (1)
- Formation of soil through decomposition of organic matter takes place in two stages. Describe them. (Solved)
Formation of soil through decomposition of organic matter takes place in two stages. Describe them.
Date posted: March 16, 2018. Answers (1)
- Give the three processes in which soil is formed. (Solved)
Give the three processes in which soil is formed.
Date posted: March 16, 2018. Answers (1)
- Give any five reasons why humus content in soil is important. (Solved)
Give any five reasons why humus content in soil is important.
Date posted: March 16, 2018. Answers (1)
- (a) Define the term soil
(b) Give the four components of soil
(c) Define the term land
(d) Give any two differences between land and soil.(Solved)
(a) Define the term soil
(b) Give the four components of soil
(c) Define the term land
(d) Give any two differences between land and soil.
Date posted: March 16, 2018. Answers (1)
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Give any three ways in which glacial features are not useful.
Date posted: March 16, 2018. Answers (1)
- Give five ways in which glacial features are of significant use. (Solved)
Give five ways in which glacial features are of significant use.
Date posted: March 16, 2018. Answers (1)
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Describe the formation of an outwash plain
Date posted: March 16, 2018. Answers (1)
- (a) Describe the formation of kames
(b) Describe the formation of eskers (Solved)
(a) Describe the formation of kames
(b) Describe the formation of eskers
Date posted: March 16, 2018. Answers (1)