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State the functions of soil in the production process - NSC Agricultural Management Practices - Question 2 - 2023 - Paper 1

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State the functions of soil in the production process. The functions of soil in the production process are critical for the growth and sustainability of agricultura... show full transcript

Worked Solution & Example Answer:State the functions of soil in the production process - NSC Agricultural Management Practices - Question 2 - 2023 - Paper 1

Step 1

Temperature of the soil

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Answer

In the Southern Hemisphere, the northern slopes generally receive more direct sunlight, resulting in higher soil temperatures. This increased warmth can enhance seedling emergence and growth rates during the growing season. Conversely, the southern slopes receive less sunlight and hence have cooler soil temperatures, which may delay plant growth and affect crop yields.

Step 2

Organisms in the soil

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Answer

The soil fauna differs between northern and southern slopes. The warmer northern slopes support a greater diversity and density of organisms, such as earthworms and beneficial bacteria, which contribute to nutrient cycling and soil health. In contrast, the cooler southern slopes may have a reduced population of these organisms, leading to less effective decomposition and nutrient availability.

Step 3

Water holding capacity

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Answer

Soil texture directly impacts the water holding capacity, with sandy soils typically holding less water compared to clay soils. This impacts irrigation practices and water management strategies on farms.

Step 4

Soil fertility

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Answer

Clay soils often have higher fertility due to their mineral content and ability to retain nutrients, while sandy soils may require more frequent fertilization to achieve similar fertility levels.

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