calc_sombalance {OBIC} | R Documentation |
Calculate simple organic matter balance
Description
This function calculates a simple organic matter balance, as currently used in agricultural practice in the Netherlands.For more details, see www.os-balans.nl
Usage
calc_sombalance(B_LU_BRP, A_SOM_LOI, A_P_AL, A_P_WA, M_COMPOST, M_GREEN)
Arguments
B_LU_BRP |
(numeric) The crop code from the BRP |
A_SOM_LOI |
(numeric) The percentage organic matter in the soil (%) |
A_P_AL |
(numeric) The P-AL content of the soil (in mg P2O5 per 100g) |
A_P_WA |
(numeric) The P-water content of the soil (in mg P2O5 per Liter) |
M_COMPOST |
(numeric) The frequency that compost is applied (every x years) |
M_GREEN |
(boolean) measure. are catch crops sown after main crop (option: TRUE or FALSE) |
Value
The estimated soil organic matter balance in kg EOS per ha per year. A numeric value.
Examples
calc_sombalance(B_LU_BRP = 1019,A_SOM_LOI = 4, A_P_AL = 35, A_P_WA = 40,
M_COMPOST = 4, M_GREEN = TRUE)
calc_sombalance(1019,4, 35, 40, 4, TRUE)
calc_sombalance(c(256,1024,1019),c(4,5,6), c(35,35,35), c(40,42,45), c(4,4,3), c(TRUE,FALSE,TRUE))
[Package OBIC version 3.0.2 Index]