9.6. Questions and Tasks
183
Nr_of_Nodes( t) = Nr_ of_Nodes(t-dt) + (New_Node s -
Lo st_Nodes) * dt
I NI T Nr_of_Nodes = 10
INFLOWS :
Ne w_Nodes = New_leaves
OUTFLOWS :
Lo st_Nodes = IF Length_between_Node s = 0 THEN 0 ELSE
3* (d i scarded_R&R' /Le n gth_ between_Nodes)
Nr_of_ shoo ts( t) = Nr_of_shoots(t -dt) + (New_s hoots -
Los s _ of_s h o o t s ) * d t
I NIT Nr_of_ s hoots = 10
I NFLOWS :
New_sho ots = If Length _ between_Nodes< 0.0001 Then 0
ELSE (Min (R&R_ CHO_conc, 1 0 ) / 1 0 ) /Max_amt_ of_New_sho ots
OUTFLOWS:
Los s _ of_sh o ot s = (1 . 1* Lo st_ Nodes ) / Nodes-pe r _sho ot
Len gth_between_Node s = Rh izome_Len gth /Nr_of_Node s
1vs-per_s h oot = Nr_of_leaves /Nr_of_shoot s
Max_amt_of_New_shoots = MIN (New_Nodes ,MAX (0 , «1400Nr_of_shoots) /1400»)
Nodes-per_shoot = Nr_of_Nodes /Nr of s h o o t s
Perc_Maturing = (2 *Nr_ o f _shoots /PI_Mode 1 )
- r a t i o = 1 .8
PI_discard = GRAPH (Da y)
(0 .00,31.0),
(133, 10.6),
(26 5 , 30 .0) ,
(33 . 2 ,29 .2), (66 .4,26 .6), (9 9 .5 , 15.4) ,
(166, 9 .00),
( 299 , 34 .0),
(199 , 9 .60) ,
(332, 32. 8),
(23 2, 19 .0) ,
(365 , 3 1.0)
PI_Mo d el = GRAPH(D ay)
( 0 .00 ,25 .5), ( 33. 2 , 20 .6) , (66.4 ,15 .5), (99 .5 ,7.57) ,
(133, 4 .93 ), (166, 4 .62) , (199, 5 .39) , (232 , 8 .49) ,
(2 65, 1 6. 1 ), (299 , 21.4), (332, 2 5 .4), (365, 2 5 . 1)
Pl ant Growth Se ct o r
Re p rod u c t ives( t) = Reproduc t ive s( t -dt ) +
(To _ Re produ c t ives -D i s persion) * dt
INI T Reproductives = 0
INFLOWS:
To_Re p r o duc t i v e s = To _R e productives'
OUTFLOWS:
Dispersion = Reproduct ives*0 . 8