What does soil structure refer to?

Soil structure refers to how soil particles are arranged and how they are bound together to form aggregates or clumps. This aspect of soil is crucial as it influences various properties such as porosity, permeability, and the soil's ability to retain nutrients and moisture. Well-structured soil allows for better water infiltration and root penetration, which is critical for healthy plant growth.

The size of soil particles is related to soil texture but does not encompass the arrangement and binding of those particles, which is what soil structure specifically addresses. The color of the soil can provide some information about its mineral content and organic matter but does not reflect its structure. Similarly, moisture content pertains to the water held within the soil and does not address how the soil particles are physically organized. Therefore, the understanding of soil structure is essential for effective land management and agricultural practices, highlighting the importance of the correct choice regarding how particles are bound together.