Soil gives support for the rooting system of plants
Soil is a habitat for bacteria which is necessary for breakdown of organic matter into humus
Soil is a medium through which plants absorb water. Soil contains water and air spaces which determine their usefulness to plant life.
Soil provides mineral elements such as manganese, nitrogen, potassium and iron to plants
Soil contains valuable mineral elements such as alluvial gold.
Faimus answered the question on March 19, 2018 at 10:04
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Name the four types of soils classified under the Intrazonal order.
(Solved)
Name the four types of soils classified under the Intrazonal order.
Date posted:
March 17, 2018
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Answers (1)
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Name any four types of soils classified under the zonal order.
(Solved)
Name any four types of soils classified under the zonal order.
Date posted:
March 17, 2018
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Answers (1)
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Name the three types of soil classification and discuss them.
(Solved)
Name the three types of soil classification and discuss them.
Date posted:
March 17, 2018
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Answers (1)
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Soil erosion is a serious environmental hazard but also has various benefits. Highlight any two positive impacts of soil erosion.
(Solved)
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
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Answers (1)
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Soil erosion is a serious environmental hazard and results on various problems. Discuss any five negative impacts of soil erosion.
(Solved)
Soil erosion is a serious environmental hazard and results on various problems. Discuss any five negative impacts of soil erosion.
Date posted:
March 17, 2018
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Answers (1)
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Various human activities favour soil degeneration through soil erosion. Discuss any three human activities that favour soil erosion.
(Solved)
Various human activities favour soil degeneration through soil erosion. Discuss any three human activities that favour soil erosion.
Date posted:
March 17, 2018
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Answers (1)
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(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
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Answers (1)
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(a) What is soil catena
(b) What is soil degeneration
(c) Describe any three causes of soil degeneration
(Solved)
(a) What is soil catena
(b) What is soil degeneration
(c) Describe any three causes of soil degeneration
Date posted:
March 17, 2018
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Answers (1)
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(a) What is soil profile
(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
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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
(Solved)
(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
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Answers (1)
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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
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Answers (1)
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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
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Answers (1)
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(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
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Answers (1)
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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
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Answers (1)
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Give the three processes in which soil is formed.
(Solved)
Give the three processes in which soil is formed.
Date posted:
March 16, 2018
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Answers (1)
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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
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Answers (1)
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Give any three ways in which glacial features are not useful.
(Solved)
Give any three ways in which glacial features are not useful.
Date posted:
March 16, 2018
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Answers (1)
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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
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Answers (1)
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Describe the formation of an outwash plain
(Solved)
Describe the formation of an outwash plain
Date posted:
March 16, 2018
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Answers (1)
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(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
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Answers (1)