1. Large clusters or groupings of soil particles bound together, typically larger than 0.25 mm in diameter, that form the structural units of soil.
Usage: technical; soil science; plural form
2. In general usage, large combined or grouped units or masses of something.
Usage: general

Examples

• Soil macroaggregates improve water infiltration and root penetration in agricultural fields.
• The formation of macroaggregates depends on organic matter content and microbial activity.
• Healthy soils contain stable macroaggregates that resist erosion.
• Tilling can break down macroaggregates and reduce soil structure quality.
• Macroaggregates in clay soils help create better pore space for plant growth.