9.6. Q uestions a nd Tasks
189
OUTFLOWS :
Upgrade_to_2 = Pe r c_Ma t u r i ng * youngest_leaves
young_leaves(t) = young_leaves (t -dt) + (Upgrade_to_2 +
L2_growth-Upgrade_to_3) * dt
INIT young_leaves = 0
INFLOWS:
Upgra de_to_2 = Pe r c_Mat u r i ng * younge st_leaves
L2_growth = young_leaves*L2_ffiodel
OUTFLOWS:
Up gr ade_ t o_ 3 = Perc_Maturing * yo ung_leaves
init_we ight-per_leaf_area = 0 .00061+(0 .0000 1(O.OOOO l* . Per_o f _ffiax_Light))
L1_ffiod e l
0 .0130775+0 .00172 56* Su rface_l ight
L2_ffiod e l = 0 .010 4680 5 +0. 5579795 *L1_ffiodel+trans_gr owth
L3_ffiod el = -0.0070726 + 0.001032 43*Photo-period0 .2437 078*L1_ffiodel + 0.6 2242437* L2_ffiodel
L4_ffiodel = 0.00007799 +L3_ffiodel*0 .23 799459
L5_ffiodel = 0 .014 862 81 +L2_Model*0 .09945705lvs-per_shoot*0 .003448
L6_ffiodel = MAX(0, - 0.00 20882+L5_Model*1. 83789259)
LAW = (CHO_ shoot+Structure_weight ) /
(CHO_shoot+2 *Structure_weight)
Leaf_area = Structure_weight /0 .000061
Mean_Length = (Leaf_area /(Nr_of_leave s*Width) )
Shoot_CHO_conc = IF Shoot_volume = 0 THEN 0 ELSE
CHO_shoot /Shoot_v olurne
Shoot_volume = (Leaf_area* .2) /1000
Structure_weight =
ffied i urn_l e av e s+ o l d e r_l e a v e s+o l de st_l eav e s +o l d_ l eav e s+y ou
ngest_leaves+young_leaves
Width = (2.39870773+teffipera ture*0 .06482887) /10
nr_o f _ lvs_ffiean = GRAPH(Day)
(0 .00,3 .69), (33 .2 ,3 .90) , (66 . 4 ,4.55), (99.5,4 . 78),
(133 , 5 .18), (166, 5.3 2) , (199, 4 .55) , (232 , 5 .03) ,
(265,4 .81), (299,4 .72), (332,3 .87), (365,3 .57)
repro_ season = GRAPH (Day)
(0 .00 , 0.042) , (30 .4 , 0. 04 5 ) , (60 . 8, 0 .182), (91.2 ,
0 .23), (1 22, 0.057 ) , (15 2, 0 .027), (1 82, 0 .009), (213,
189
OUTFLOWS :
Upgrade_to_2 = Pe r c_Ma t u r i ng * youngest_leaves
young_leaves(t) = young_leaves (t -dt) + (Upgrade_to_2 +
L2_growth-Upgrade_to_3) * dt
INIT young_leaves = 0
INFLOWS:
Upgra de_to_2 = Pe r c_Mat u r i ng * younge st_leaves
L2_growth = young_leaves*L2_ffiodel
OUTFLOWS:
Up gr ade_ t o_ 3 = Perc_Maturing * yo ung_leaves
init_we ight-per_leaf_area = 0 .00061+(0 .0000 1(O.OOOO l* . Per_o f _ffiax_Light))
L1_ffiod e l
0 .0130775+0 .00172 56* Su rface_l ight
L2_ffiod e l = 0 .010 4680 5 +0. 5579795 *L1_ffiodel+trans_gr owth
L3_ffiod el = -0.0070726 + 0.001032 43*Photo-period0 .2437 078*L1_ffiodel + 0.6 2242437* L2_ffiodel
L4_ffiodel = 0.00007799 +L3_ffiodel*0 .23 799459
L5_ffiodel = 0 .014 862 81 +L2_Model*0 .09945705lvs-per_shoot*0 .003448
L6_ffiodel = MAX(0, - 0.00 20882+L5_Model*1. 83789259)
LAW = (CHO_ shoot+Structure_weight ) /
(CHO_shoot+2 *Structure_weight)
Leaf_area = Structure_weight /0 .000061
Mean_Length = (Leaf_area /(Nr_of_leave s*Width) )
Shoot_CHO_conc = IF Shoot_volume = 0 THEN 0 ELSE
CHO_shoot /Shoot_v olurne
Shoot_volume = (Leaf_area* .2) /1000
Structure_weight =
ffied i urn_l e av e s+ o l d e r_l e a v e s+o l de st_l eav e s +o l d_ l eav e s+y ou
ngest_leaves+young_leaves
Width = (2.39870773+teffipera ture*0 .06482887) /10
nr_o f _ lvs_ffiean = GRAPH(Day)
(0 .00,3 .69), (33 .2 ,3 .90) , (66 . 4 ,4.55), (99.5,4 . 78),
(133 , 5 .18), (166, 5.3 2) , (199, 4 .55) , (232 , 5 .03) ,
(265,4 .81), (299,4 .72), (332,3 .87), (365,3 .57)
repro_ season = GRAPH (Day)
(0 .00 , 0.042) , (30 .4 , 0. 04 5 ) , (60 . 8, 0 .182), (91.2 ,
0 .23), (1 22, 0.057 ) , (15 2, 0 .027), (1 82, 0 .009), (213,