Calculate biological nitrogen fixation from crops, weeds, and non-symbiotic sources.
Arguments
- x
A data frame with crop NPP data including columns: Crop_NPP_MgN, Prod_MgN, Weeds_NPP_MgN, LandUse, Area_ygpit_ha
Value
A data frame with BNF calculations: CropBNF, WeedsBNF, NSBNF, and total BNF
Examples
if (FALSE) { # \dontrun{
bnf_results <- Calc_N_fix(npp_data)
} # }