IMPORTANCE OF LIGHT ENERGY FOR THE TURFGRASS PLANT
IMPORTANCE OF LIGHT ENERGY FOR THE TURFGRASS PLANT
2
BACKGROUND
=PAR+Temperature
CO2
O2
H2O
3
BACKGROUND
BASIC

H2 O




Nutrients
Temperature

CO2


PAR Light


CONTROL
Temperature
Wear & Tear
PAR Light
H2 O
Nutrients
BALANCING GROWTH
4
THE GRASS PLANT AND LIGHT ENERGY
SOLAR RADIATION
5
THE GRASS PLANT AND LIGHT ENERGY
SPECTRUM
6
THE GRASS PLANT AND LIGHT ENERGY
LIGHT ENERGY
7
THE GRASS PLANT AND LIGHT ENERGY
LIGHT AND PHOTOSYNTHESIS
8
THE GRASS PLANT AND LIGHT ENERGY
LIGHT AND PHOTOSYNTHESIS
9
THE GRASS PLANT AND LIGHT ENERGY
LIGHT AND PHOTOSYNTHESIS
10
THE GRASS PLANT AND LIGHT ENERGY
LIGHT AND CO2 UPTAKE
11
THE GRASS PLANT AND LIGHT ENERGY
IMPORTANCE OF GROWTH FACTORS
12
THE GRASS PLANT AND LIGHT ENERGY
IMPORTANCE OF GROWTH FACTORS
13
THE GRASS PLANT AND LIGHT ENERGY
IMPORTANCE OF GROWTH FACTORS
14
THE GRASS PLANT AND LIGHT ENERGY
IMPORTANCE OF GROWTH FACTORS
15
THE GRASS PLANT AND LIGHT ENERGY
IMPORTANCE OF GROWTH FACTORS
16
THE GRASS PLANT AND LIGHT ENERGY
Turfgrass
Acceptable levels
Daily Light Integral
(mol/m-2/d-1)
Commercially acceptable
Daily Light Integral
(mol/m-2/d-1)
C4
17 - 26
33 up to 50
C3
5-8
8 up to 15
COOL VS WARM SEASON
TURFGRASS LIGHT NEEDS
17
LIGHT ENERGY AND GAME HOURS
FIELD QUALITY
18
LIGHT ENERGY AND GAME HOURS
GAME HOURS
19
LIGHT ENERGY AND GAME HOURS
0,8
0,9
1,2
1,2
0,9
0,8
1,0
1,3
1,3
1,3
1,3
1,0
0,8
0,9
1,2
1,2
0,9
0,8
S
Football
Soccer
FIELD FACTOR
20
LIGHT ENERGY AND GAME HOURS
BIOMASS GROWTH AND FIELD RECOVERY
21
LIGHT ENERGY AND GAME HOURS
RESEARCH PHILIPS – DIFFERENT SPECTRUM
22
LIGHT ENERGY AND GAME HOURS
Lambeau Field
PAR roof
TransAss. light
PAR Pitch
Green Bay,
4 week Av.Tem Fraction
Lightin
C3/C4
natural
misson
o
-1
-1
WI
Period p [ F] Daylight
g hours
[MJPAR/d
]
[MJPAR/d
]
to field
[MJPAR/d-1]
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
1
2
3
4
5
6
7
8
9
10
11
12
13
Year
14,2
19,4
30,4
43,7
55,7
64,2
67,1
70,2
67,3
59,1
48,4
34,5
20,1
14
0,37
0,42
0,48
0,54
0,62
0,63
0,62
0,62
0,57
0,51
0,46
0,38
0,38
0,51
0,76
0,83
0,86
0,89
0,90
0,91
0,91
0,91
0,90
0,87
0,83
0,79
0,77
0,86
166
10,0
0,0
8,0
15,0
20,0
20,0
2,9
4,3
6,1
7,8
9,6
10,5
10,4
10,3
8,8
6,6
4,5
2,7
2,3
2440
0,59
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,47
0,88
1,18
1,18
120,8
2,79
3,61
5,27
6,97
8,65
9,55
9,46
9,37
7,92
6,22
4,63
3,31
2,93
2265,3
Add. Game
[hours/month-1]
4,0
0,0
0,0
0,0
0,0
0,0
0,0
4,0
8,0
8,0
8,0
8,0
8,0
48,0
Growth
ET
rate
Makkink
[gr/m 2/d-1] [ltr/m 2/ d-1]
9,1
7,8
11,9
16,0
20,2
21,4
21,3
21,2
17,9
17,3
15,8
13,6
12,9
5784
0,5
0,8
1,4
2,4
3,5
4,2
4,3
4,3
3,6
2,5
1,5
0,8
0,5
848
TQ
84%
81%
91%
98%
100%
100%
100%
100%
98%
97%
95%
92%
90%
92%
Electricity
used
[kWh]
345,6
100.224
0
0
0
0
0
0
0
0
77.414
145.152
193.536
193.536
709.862
GROWTH MODEL –
WITH ASSIMILATION LIGHTING
23
LIGHT ENERGY AND GAME HOURS
Lambeau Field
PAR roof
TransAss. light
PAR Pitch
Add. Game
Green Bay,
4 week Av.Tem Fraction
Lightin
C3/C4
natural
misson
o
-1
-1
-1
-1
-1
WI
Period p [ F] Daylight
g hours
[MJPAR/d
]
[MJPAR/d
]
[hours/month
]
to field
[MJPAR/d-1]
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
C3
1
2
3
4
5
6
7
8
9
10
11
12
13
Year
14,2
19,4
30,4
43,7
55,7
64,2
67,1
70,2
67,3
59,1
48,4
34,5
20,1
14
0,37
0,42
0,48
0,54
0,62
0,63
0,62
0,62
0,57
0,51
0,46
0,38
0,38
0,51
0,76
0,83
0,86
0,89
0,90
0,91
0,91
0,91
0,90
0,87
0,83
0,79
0,77
0,86
166
10,0
0,0
8,0
15,0
20,0
20,0
0,0
2,9
4,3
6,1
7,8
9,6
10,5
10,4
10,3
8,8
6,6
4,5
2,7
2,3
2440
0,59
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,00
0,47
0,88
1,18
0,00
1,18
120,8
87,7
2,79
3,61
5,27
6,97
8,65
9,55
9,46
9,37
7,92
6,22
4,63
3,31
1,75
2,93
2232,2
2265,3
4,0
0,0
0,0
0,0
0,0
0,0
0,0
4,0
8,0
8,0
8,0
8,0
8,0
48,0
Growth
ET
rate
Makkink
-1
-1
[gr/m 22/d-1
] [ltr/m 2/2/d-1
]
9,1
7,8
11,9
16,0
20,2
21,4
21,3
21,2
17,9
17,3
15,8
13,6
12,9
3,6
5522
5784
0,5
0,8
1,4
2,4
3,5
4,2
4,3
4,3
3,6
2,5
1,5
0,8
0,4
0,5
844
848
TQ
TQ
84%
84%
81%
81%
91%
91%
98%
98%
100%
100%
100%
100%
100%
100%
100%
100%
98%
98%
97%
97%
95%
95%
92%
92%
60%
90%
88%
92%
Electricity
Electricity
used
used
[kWh]
[kWh]
345,6
345,6
100.224
100.224
00
00
00
00
00
00
00
00
77.414
77.414
145.152
145.152
193.536
193.536
193.536
0
516.326
709.862
GROWTH MODEL – WITHOUT
ASSIMILATION LIGHTING IN DECEMBER
24
LIGHT ENERGY AND MULTI-FUNCTIONAL USE
25
REAL TIME GROWTH FACTOR MONITORING
ANALYZER
26
REAL TIME GROWTH FACTOR MONITORING
Additional
light
ET
Vapor
Pressure
Deficit
Analyser
Models
Dewpoint
Fertilizing
ANALYZER MODELS
27
REAL TIME GROWTH FACTOR MONITORING
WEATHER FORECASTING
28
REAL TIME GROWTH FACTOR MONITORING
Stadium
Growth
model
FieldCam
Portal
Office
29
REAL TIME GROWTH FACTOR MONITORING
LAMBEAU FIELD
30
STADIUMS USING ADDITIONAL LIGHT
31
THANK YOU FOR YOUR ATTENTION!
CONTACT US
Gerard van ‘t Klooster
Senior Agronomist - SGL
[email protected]
Niels Dokkuma
Area Manager North & South America - SGL
[email protected]
32