Cultivation Parameters


Parameter Descriptions

Parameter Description Valid Values
CLTEFF(1) Cultivation factor for SOM1 decomposition; functions as a multiplier for increased decomposition in the month of the cultivation. 1.0 to 10
CLTEFF(2) Cultivation factor for SOM2 decomposition; functions as a multiplier for increased decomposition in the month of the cultivation. 1.0 to 10
CLTEFF(3) Cultivation factor for SOM3 decomposition; functions as a multiplier for increased decomposition in the month of the cultivation. 1.0 to 10
CLTEFF(4) Cultivation factor for soil structural material decomposition; functions as a multiplier for increased decomposition in the month of the cultivation. 1.0 to 10
CULTRA(1) Fraction of aboveground live transferred to standing dead. 0.0 to 1.0
CULTRA(2) Fraction of aboveground live transferred to surface litter. 0.0 to 1.0
CULTRA(3) Fraction of aboveground live transferred to the top soil layer 0.0 to 1.0
CULTRA(4) Fraction of standing dead transferred to surface litter. 0.0 to 1.0
CULTRA(5) Fraction of standing dead transferred to top soil layer 0.0 to 1.0
CULTRA(6) Fraction of surface litter transferred to top soil layer. 0.0 to 1.0
CULTRA(7) Fraction of roots transferred to top soil layer. 0.0 to 1.0

Parameter Sets

Parameter sets supplied in the Century5/DayCent5 distribution package.

Mnuemonic Description
A RodWeed Row Plant
AEP Additional effects of plowing
AT-7 Animal tillage cultivation
B Planters and Cultivators
C Cultivator
D Drill
E Sweeps and tandem disks
F Field Cultivator and Tandem Disk
G Multiple Tandem
H DisksPoint Chisel Tandem Disk
HERB Herbicide
HT-7 Hand till cultivation
HW-7 Hand weed cultivation
Mnuemonic Description
I Offset and Tandem Disks
J Pint Chisel Offset Disk
KILL Kill remaining aboveground and roots
K Moldboard Plow
NTD No-Till Drill
NTD2 No-Till Drill 2
P Plowing
ROW Row cultivator
R Rodweeder
S Sweep
TERM-7 TERM-7
WORM-7 WORM-7