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fertilizer.frt

The fertilizer database summarizes parameters used by the model to simulate different types of fertilizer and manure.

Field

Description

Type

Unit

Default

Range

Name of the fertilizer record

string

n/a

name (fertilizer.frt)

Name of the fertilizer or manure record

The name of the fertilizer or manure record is a primary key referenced when fertilizer or manure applications are scheduled in management.sch or lum.dtl. All names in the fertilizer.frt database must be unique.

elem_n

Elemental Nitrogen

elem_p

Elemental Phosphorous

anh_nh3

Anhydrous Ammonia

urea

Urea

min_n

Fraction of fertilizer that is mineral N (NO3+NH3)

min_p

Fraction of fertilizer that is mineral P

org_n

Fraction of fertilizer that is organic N

org_p

Fraction of fertilizer that is organic P

nh3_n

Fraction of mineral N content of fertilizer that is NH3