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Understanding Soil Structure

Soil structure is one of morphology (appearance) of land that can be observed directly. Soil morphology is a description of the soil body showing the appearance-appearance, characteristics and common properties in a soil profile. The characteristics of soil morphology is indicative of a process – a process that never experienced a kind of land during weathering, the formation and development. Differences in soil-forming factors will leave the characteristics and properties of different soil in a soil profile.

Soil structure is the arrangement of primary grains of soil and ground agregat- primary aggregates naturally into specific shapes bounded by fields called aggregates. Soil structure is the physical properties of soil which describes the arrangement of soil particles rooms are joined to one another to form aggregates results pedogenesis process. Soil structure relates to the manner in which particles of sand, silt and clay are arranged relative to each other.

Soil structure is used to indicate bagimana size of the soil particles such as sand, silt and clay that form aggregates with each other is limited by the weak areas of the natural divide. Aggregates are formed naturally called ped. Structures that can modify the effect of soil texture in conjunction with moisture, porosity, nutrient availability, activities of soil organisms and the influence of water.
Figure 1:22. Soil structure

Figure 1:23. Ped