Redefinition of new Rooting Depth classes
Analysis of the current CGMS rule used to estimate rooting depth
Table 6-2 gives the current CGMS rule used to estimate rooting depth classes. The procedure is executed in the same order as the rows appear in this table. So, first the STUs with soil name I** are selected and labelled class '1' and in the following step all remaining STUs are compared with the next rule and so on. The '*' indicates that on the considered position any character could be read.
Because some soil characteristics, like depth to textural change, depth to an obstacle to roots
or depth to an impermeable layer, use 100 cm and 120 cm as limits, it was decided to change
the definition of the rooting depth classes for the CGMS (see Table 6-3).