sch.3-sec.14Meaning of soil depth

### sch.3-sec.14 Meaning of soil depth Soil depth , for soil, is the depth of the soil to any of the following— bedrock; a hard pan; weathered rock; a continuous gravel layer. In this section— continuous gravel layer means a continuous layer that— extends beneath most of the surface; and contains very abundant (90% or more) unconsolidated rock fragments of 2mm or more. A continuous gravel layer retards penetration by plant roots. hard pan means a hardened layer of soil— formed by natural processes; and that is a strongly cemented or very strongly cemented pan as defined under the field handbook. (sch.3-sec.14-ssec.1) Soil depth , for soil, is the depth of the soil to any of the following— bedrock; a hard pan; weathered rock; a continuous gravel layer. (sch.3-sec.14-ssec.2) In this section— continuous gravel layer means a continuous layer that— extends beneath most of the surface; and contains very abundant (90% or more) unconsolidated rock fragments of 2mm or more. A continuous gravel layer retards penetration by plant roots. hard pan means a hardened layer of soil— formed by natural processes; and that is a strongly cemented or very strongly cemented pan as defined under the field handbook. - (a) bedrock; - (b) a hard pan; - (c) weathered rock; - (d) a continuous gravel layer. - (a) extends beneath most of the surface; and - (b) contains very abundant (90% or more) unconsolidated rock fragments of 2mm or more. Note— A continuous gravel layer retards penetration by plant roots. - (a) formed by natural processes; and - (b) that is a strongly cemented or very strongly cemented pan as defined under the field handbook.