~ ~ ~ PURPOSE ~ ~ ~ this subroutine applies N and P specified by date and amount in the management file (.mgt) ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ ~ ~ SUBROUTINES/FUNCTIONS CALLED ~ ~ ~ SWAT: Erfc
~ ~ ~ ~ ~ ~ END SPECIFICATIONS ~ ~ ~ ~ ~ ~
add mineral n and p for all methods add total organic n and p for all methods for stable carbon - add n and p to active humus pool for C-FARM add to manure pool - assume C:N ratio = 10 for SWAT-C (Century) add n and p to slow humus pool - assume C:N ratio = 10 summary calculations
Type | Intent | Optional | Attributes | Name | ||
---|---|---|---|---|---|---|
integer, | intent(in) | :: | ifrt | |||
real, | intent(in) | :: | frt_kg | |||
integer, | intent(in) | :: | fertop |