Comprehensive Resources for Agriculture: Topical Questions, Past Papers, and Answers
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Essential Materials for Constructing Gabions: Building Stability and Strength
To construct a gabion, which is a wire mesh container filled with stones or other materials, several materials are typically used. Here are some of the common materials used for constructing a gabion:
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Study a section of the diagram of soil conservation practice shown below then answer the questions that follow
a) Identify the method of soil conservation illustrated on the diagram above.
Explain two ways in which the above method helps to conserve the soil and water.
Bench Terraces: Enhancing Soil Conservation and Land Management
Bench terraces offer several advantages in soil conservation and land management. Here are some of the key benefits of implementing bench terraces:
Terracing Techniques for Soil Conservation: Managing Slope Erosion and Water Runoff
Terracing Techniques for Soil Conservation: Managing Slope Erosion and Water Runoff
(i) What is a terrace?
Gabions as Effective Tools for Soil Erosion Control: Slowing Runoff and Filtering Soil Particles4/11/2023 Gabions as Effective Tools for Soil Erosion Control: Slowing Runoff and Filtering Soil Particles
Gabions are effective in controlling soil erosion through various mechanisms. Here are two ways in which gabions help to control soil erosion:
Study the diagram below and answer the following questions.
Identify the above method of soil and water conservation.
List three materials used in construction of the above structure.
State two factors that determine the size of the structure above
The feature illustrated by diagram H below is used in soil and water conservation. Study it and answer the questions that follow.
(a) Identify the above structure.
(b) What features are represented by E and F?
(c) Give the function of structure illustrated in letter E
(d) State two maintenance practices that should be carried out on this feature.
Study the illustration below and answer the questions that follow.
a) Identify the illustration shown above.
b) Under what conditions would you expect the above illustration to occur?
c) State two ways of preventing conditions shown in (a) above from occurring.
Below is a diagram showing soil erosion control method
a) Identify the structure used to control soil erosion
b) What is the function of the structure made?
c) Why was soil not put on the upper side of the trench made
d) State four effects if water was allowed into the cultivated land
The Role of Grass in Soil Conservation: Protecting Against Erosion and Enhancing Soil Health
Grass plays a vital role in conserving soil through various mechanisms that help prevent erosion and improve soil health. Here are several ways in which grass helps to conserve soil:
Factors Influencing the Dimensions of a Cut-Off Drain: Width and Depth Considerations
Several factors influence the width and depth of a cut-off drain, which is a trench or channel constructed to redirect and control the flow of water. Here are three key factors that determine the dimensions of a cut-off drain:
The illustrations below indicate types of soil erosion that take place on cultivated farm land. Study them and then answer the following questions.
a) Identify the type of erosion represented by each of the illustrations C and D
b) Name two factors that may accelerate the rate of the type of erosion represented by A
c) Give one practice that may reduce the impact of the type of erosion represented by B
d) A part from loss of soil what other types of destruction are caused by the type of erosion represented by A
The diagram below represents a type of gully erosion. Study it carefully and answer the questions beneath
a) Identify the type of gully illustrated above.
b) Briefly explain how the gulley is formed
c) Name one control measure that has been used over many years to control gully erosion
Understanding Different Forms of Gully Erosion: V-Shaped and U-Shaped
Two forms of gully erosion are V-shaped and U-shaped gully erosion.
Raindrop Impact: Initiating Erosion and Soil Detachment
When raindrops fall onto the Earth's surface, they play a crucial role in initiating the process of erosion. Although raindrops may seem small and insignificant, their impact can lead to significant changes in the landscape over time. Here are two ways in which raindrops initiate the process of erosion:
Methods of Water Harvesting: Exploring Different Techniques
Water harvesting is the process of collecting and storing rainwater to be used for various purposes. There are several methods used in water harvesting, each with its own unique characteristics. Let's explore some of the common methods:
The diagram below illustrates a type of soil erosion. Study it carefully and answer the questions that follow
(a) Identify the type of erosion illustrated above.
(b) State two measures that could be used to control the type of soil erosion illustrated above.
Understanding Sheet Erosion: Characteristics and Causes
Sheet erosion is a type of erosion that occurs when a thin, uniform layer of soil is eroded from the surface of the land. It can be caused by either water or wind, but in this case, we are focusing on water-induced sheet erosion. Here are some key characteristics of sheet erosion:
The Role of Check Dams in Controlling Soil Erosion: Key Functions and Benefits
Check dams are structures designed to control soil erosion by slowing down the flow of water and trapping sediment. They play a crucial role in preventing the loss of fertile topsoil and maintaining the integrity of the landscape. Here are some ways in which check dams help control soil erosion:
Implementing check dams as part of erosion control measures can significantly mitigate the effects of soil erosion, protect agricultural land, and preserve natural resources. By reducing water velocity, trapping sediment, and increasing infiltration, check dams play a vital role in maintaining soil health and preventing the loss of valuable topsoil. Types of Water Erosion and Their Impacts on the Environment
Water erosion is a natural process that occurs when water, either in the form of rain or flowing water, removes soil particles and transports them from one location to another. There are several types of water erosion, each with its own characteristics and impacts on the landscape. Let's explore some of the common types of water erosion:
Factors Influencing Solifluction and Their Implications
Solifluction is a type of mass wasting that occurs in areas with permafrost or frozen ground. Several factors influence solifluction:
Effective Control Measures for River Bank Erosion
Controlling river bank erosion is crucial to protect the stability of river banks and prevent the loss of valuable land. Here are some effective control measures for river bank erosion:
Types of Erosion Based on the Agent Involved
Erosion can occur through various agents, each having its own distinct characteristics. Here are some types of erosion based on the agent involved:
Factors Influencing the Rate of Soil Erosion and Their Implications
There are several factors that influence the rate of soil erosion. Let's explore them:
Harmful Farming Practices That Aggravate Soil Erosion
Improper farming methods can have detrimental effects on soil erosion. Here are some examples:
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