calc_root_depth: Determine the root depth of the soil for this crop
Description
This function determines the depth of the soil
Usage
calc_root_depth(B_LU_BRP)
Value
The root depth of a crop corresponding to the sampling depth analyzed by agricultural labs. A numeric value.
Arguments
B_LU_BRP
(numeric) The crop code (gewascode) from the BRP
Details
This is a helper function to estimate the rooting depth of crops, as being used for calculations for soil nutrient supplies.
Be aware, this is not the real rooting depth; it rather represents the sampling depth of the soils collected for routine soil analsyis.