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Describe and explain the general composition and characteristics of any one soil type. - Leaving Cert Geography - Question 17 - 2018
Question 17
Describe and explain the general composition and characteristics of any one soil type.
Worked Solution & Example Answer:Describe and explain the general composition and characteristics of any one soil type. - Leaving Cert Geography - Question 17 - 2018
Step 1
Identifying aspect: General Composition of Sandy Soil
Answer
Sandy soil is characterized by its large particle size, which allows for good drainage and aeration. It typically contains more than 85% sand particles and has less than 10% clay. This composition results in a loose texture, making it easy to till but also prone to leaching nutrients quickly.
Step 2
Discussion: Key Characteristics of Sandy Soil
Answer
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Drainage and Aeration: Sandy soil has excellent drainage properties, allowing water to pass through quickly. This can be advantageous for plants that require well-drained conditions. However, it can also lead to challenges in retaining moisture.
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Nutrient Retention: Due to its coarse texture, sandy soil does not hold nutrients well. This necessitates regular fertilization and organic matter addition to support plant growth.
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Temperature Regulation: Sandy soils tend to heat up faster in the spring compared to clay soils. This can promote earlier plant growth but may also lead to more rapid drying out in hot conditions.
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Uses in Agriculture: Sandy soils are often used for growing crops like carrots and potatoes, which thrive in well-drained conditions, although they may require careful management to ensure sufficient nutrient availability.