Dig Deep into Victory: National Soil Judging Challenge 2025 Practice Exam!

Question: 1 / 400

When is the conversion factor of 3 applied in the arg/camb mollic test?

For acidic soils

For loamy textures

When measuring thickness

The application of the conversion factor of 3 in the argillic/cambic mollic test is crucial when measuring thickness. This factor is specifically used to account for the vertical measurement of soil layers, ensuring that the thickness of the diagnostic horizon is accurately represented in terms of its contribution to soil properties and classification. In soil judging, understanding the precise characteristics of soil layers, including their thickness, is essential for evaluating soil quality and fertility, making this conversion factor a critical aspect of the assessment process.

The other contexts presented in the choices don't require the conversion factor of 3. For example, acidity measures do not rely on this conversion factor, nor do loamy or sandy textures. The thickness measurement is fundamental to how the diagnostics are interpreted, making this the correct choice in the context of the arg/camb mollic test.

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For sandy soils

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