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DRIVEX'1'
0
DejllUit
Parameter values for external input s of nitrogen to the model arc specified in
parameter files. (Group M)
I
N fertilization rate is taken from a driving variable file (FILE(9)).
2
As for 1 but also parameters for app lication of manure are taken from the same
file.
3
As for 2 but also parameters for wet and dry deposition are taken from the same
file.
r--;
-
-------~~~~-4
DRIVMANA
-
0
Parameters of management operations are taken from parameter file. (Group
D~fault
M)
1
Ploughing depth is read from a driving variable file (FILE(I 1)).
2
Also harvest and re··circulation of crop rcsiducs arc taken from the same file.
OFF
De/lwit
CUrfeut year old leaves are transferred (at the end oflhe year, normally) to old
leaves according to leaf j~tll functions given by the user. Only used if
GROWPREN·switch""l. (Group P)
ON
All remaining leaves are falling to the ground at the cnd of the year.
-~--~--~~--~,.~~-~,.~-~~~~-~~~,,-
GROWGRA1N
0
•No grain development. (Group P)
Def(wll
I
Grain development may occur (sec related parameters GRAINI, AGRAIN,
AGRAINN). Only used if GROWPHEI\)-switch > Cl.
mWWINI
OFF
Plant initial values (annual biomass pools only) are calculated from parameter
(TOTW(l)). N plant values are set assuming maximum N concentrations.
(Group P)
ON
Plant initial values for the first growing period are taken from initial file
(FILE(4)). TOTW(l) is not used. For the second growing period TOTW(2)
should be used.
D~fclUlt
20
SOILN user's manual