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Discuss how soil development is influenced by any three of the following factors: - Mineral matter - Air - Water - Organic matter. - Leaving Cert Geography - Question 17 - 2021
Question 17
Discuss how soil development is influenced by any three of the following factors: - Mineral matter - Air - Water - Organic matter.
Worked Solution & Example Answer:Discuss how soil development is influenced by any three of the following factors: - Mineral matter - Air - Water - Organic matter. - Leaving Cert Geography - Question 17 - 2021
Step 1
Mineral matter
Answer
Mineral matter is fundamental for soil development as it provides essential nutrients for plant growth. The types and composition of mineral particles (sand, silt, clay) influence soil texture and, consequently, its ability to retain moisture and nutrients. A well-balanced mineral composition enhances soil fertility, impacting vegetation and ecosystem health.
Step 2
Air
Answer
Air is vital for soil development as it affects the soil's aeration and drainage capacity. Good air circulation within the soil profile allows roots to respire adequately and enables the activity of soil microorganisms, which contribute to organic matter decomposition. Insufficient air supply can lead to anaerobic conditions, harming plant growth and disrupting nutrient cycling.
Step 3
Water
Answer
Water plays a crucial role in soil development by aiding in the transport of nutrients and minerals. It influences soil structure and affects processes like leaching and erosion. The availability of water regulates plant growth and influences biological activity in the soil. Adequate moisture levels promote a healthy soil ecosystem, while water scarcity can limit nutrient availability and affect soil fertility.