pl_nupd Subroutine

subroutine pl_nupd()

Uses

  • proc~~pl_nupd~~UsesGraph proc~pl_nupd pl_nupd module~hru_module hru_module proc~pl_nupd->module~hru_module module~organic_mineral_mass_module organic_mineral_mass_module proc~pl_nupd->module~organic_mineral_mass_module module~plant_data_module plant_data_module proc~pl_nupd->module~plant_data_module module~plant_module plant_module proc~pl_nupd->module~plant_module

~ ~ ~ PURPOSE ~ ~ ~ This subroutine calculates plant nitrogen demand

~ ~ ~ INCOMING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ bio_n1(:) |none |1st shape parameter for plant N uptake equation bio_n2(:) |none |2nd shape parameter for plant N uptake equation ihru |none |HRU number pltnfr(1,:) |kg N/kg biomass|nitrogen uptake parameter #1: normal fraction |of N in crop biomass at emergence pltnfr(3,:) |kg N/kg biomass|nitrogen uptake parameter #3: normal fraction |of N in crop biomass at maturity ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ OUTGOING VARIABLES ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ uno3d |kg N/ha |plant nitrogen deficiency for day in HRU ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ LOCAL DEFINITIONS ~ ~ ~ name |units |definition ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~

set fraction to maturity for annuals and perennials

Arguments

None

Calls

proc~~pl_nupd~~CallsGraph proc~pl_nupd pl_nupd float float proc~pl_nupd->float