1. Compacted or dense earth that is difficult to dig, cultivate, or penetrate
The construction crew struggled with the hard soil at the building site.
A equipe de construção lutou contra o solo duro no local da obra.
2. Soil with low porosity and high compaction, often lacking organic matter
Hard soil in the garden prevented water infiltration and plant root growth.
O solo duro do jardim impediu a infiltração de água e o crescimento das raízes das plantas.