The topsoil is relatively thin but it has most of the soil’s nutrients.Just below the topsoil layer is the subsoil layer. The subsoil may contain some broken down organic matter but it is mostly made of weathered rocks and clay minerals.
The topsoil is relatively thin but it has most of the soil’s nutrients.Just below the topsoil layer is the subsoil layer. The subsoil may contain some broken down organic matter but it is mostly made of weathered rocks and clay minerals.