tbl_horizons

122 rows


Description

Represents the layer of soil from which samples are taken, classified according to a recognized standard (e.g., FAO A horizon).

Columns

Column Type Size Nulls Auto Children Parents Comments
horizon_id int4 10 √
tbl_sample_horizons.horizon_id fk_sample_horizons_horizon_id R

Primary key (automatically incremented).
date_updated timestamptz 35,6 √
description text 2147483647 √

Detailed description of the soil horizon.
horizon_name varchar(15) 15

Name or designation of the soil horizon.
method_id int4 10
tbl_methods.method_id fk_horizons_method_id R

Specifies the method used to identify or classify the horizon.

Indexes

Constraint Name Type Sort Column(s)
tbl_horizons_pkey Primary key Asc horizon_id

Relationships

Close relationships within degrees of separation