aluminet and thermal screens raz [לקריאה בלבד] · aluminet thermal screens aluminet...
TRANSCRIPT
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Aluminet Thermal Screens Aluminet Thermal Screens
Raz Ganelevin (Agr. MSc)Department of Agriculture, Polysack, Israel
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Polysack Plastic Industries Ltd. Polysack Plastic Industries Ltd.Aluminet®
ChromatiNet®
Shade Net
Anti-Hail Net
Anti-Insect Net
Decorative Net
Complementary Solution
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Sufa 30%
Nir Yitzhak 70%
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Influence of climate onPhotosynthesis
Influence of climate onPhotosynthesis
What is Photosynthesis?What is Photosynthesis?
C6 H12 O66 CO2 6 H2O +
Plant (Chlorophyll)
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Factors that influencePhotosynthesis
Factors that influencePhotosynthesis
ClosedClosedOpenOpen
Light
Temperature
CO2
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Importance of the StomatalCondition During Daylight
Importance of the StomatalCondition During Daylight
(E. Raveh) (E. Raveh)
(Epidermal Stomatal in Vicia Fabal)) (Epidermal Stomatal in Vicia Fabal)
ClosedClosed OpenOpen
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The Effect of Temperature on Photosynthesis
The Effect of Temperature on Photosynthesis
(Berry and Björkman 1980)
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Aluminet® Aluminet®
Aluminet® IAluminet® O
Aluminet® IC
Aluminet® DSAluminet® RDS
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Aluminet® Aluminet®
Maximum Temperature
Minimum Temperature
Diffused Light
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How Aluminet Works ?
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Maximum temperatureMaximum temperature
15
19
23
27
31
35
o C
ALUMINET® 40%Control
(Ganelevin and Zieslin, 1999)
24:00 12:00 18:00 24:0006:00
Rose bud temperature at summer
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Seedling Growing Under Aluminet®
Seedling Growing Under Aluminet®
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Open Field
Greenhouse without Aluminet®
Greenhouse with Aluminet®
The Influence of Aluminet® 50% on air Temperature
The Influence of Aluminet® 50% on air Temperature
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Infrared images of Aluminet® 100%
Temp outside Temp under closed Aluminet 100
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Infrared images of Aluminet® 100%
Open Thermal screen Closed Thermal screen
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Rose Growing Under Aluminet®
Rose Growing Under Aluminet®
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Improvement Quality of Summer Crop Roses
Improvement Quality of Summer Crop Roses
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Length (mm)
0.592.7ALUMINET® 40%
0.382.0Control
Dry Weight (g.)
FreshWeight (g.)
Treatment
(Ganelevin and Zieslin, 1999)
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Pepper Growing under Aluminet®
Pepper Growing under Aluminet®
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The influence of Sunlight Radiation on the Size of
Peppers
The influence of Sunlight Radiation on the Size of
Peppers
(Volcani center, 1979)
0% shade 45% shade
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Gross Weight of Peppers per Sq. m.
Gross Weight of Peppers per Sq. m.
(E. Eitiel et al., 2000)
7.5
8.9
6.6
8.2
6.16.8
6.2
7.87.3
6.8
5.3
6.55.9
6.3
5.36.0
0
1
2
3
4
5
6
7
8
9
Turkal Lorka Mazurka Selika
Type
Kg
/ m2 ALUMINET 40%
Black 30%Black 40%Black 50%
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22(E. Eitiel et al., 2000)
Number of Pepper Fruits per Sq. m.
Number of Pepper Fruits per Sq. m.
51
59
44
54
4244
40
5350
44
35
4240 41
34
40
0
10
20
30
40
50
60
Turkal Lorka Mazurka Selika
Num
ber
for
m2
ALUMINET 40%Black 30%Black 40%Black 50%
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Tomato Growing under Aluminet® Shading Screens
Tomato Growing under Aluminet® Shading Screens
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Aluminet® blocks IR spectrum radiation, thus it is capable of protecting against radiation frost
IR wavelength spectrum (nm)
Grey
Black
Tran
smitt
ance
(%
)
Aluminet
Minimum TemperatureMinimum Temperature
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25M. Teitel et al., 1995.
Aluminet® protect pepper against frost radiation
AlumiNet Black net Outside
Pepper cultivation
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Aluminet 40% Zantedeschia, Purtugal
Aluminet o 40% Zantedeschia, Purtugal
-5
0
5
10
15
20
25
14:12
15:22
16:32
17:42
18:52
20:02
21:12
22:22
23:32 0:4
21:5
23:0
24:1
25:2
26:3
27:4
28:5
210
:0211
:1212
:2213
:3214
:4215
:5217
:0218
:1219
:2220
:3221
:4222
:52 0:02
1:12
2:22
3:32
Hour
Deg
ree
cels
ius
שטח פתוחבית רשתopen field
aluminet
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Use of Aluminet® in Frost radiation NightsUse of Aluminet® in Frost radiation Nights
Aluminet®Aluminet®
With out Aluminet®With out
Aluminet®
Argentina 2000Argentina 2000
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Air Temperature in Heated Greenhouse under Black Net 70% and under
ALUMINET® 70% I (5.1.02)
Air Temperature in Heated Greenhouse under Black Net 70% and under
ALUMINET® 70% I (5.1.02)
( Ganelevin, 2002)
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ALUMINET® ICALUMINET® IC
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7
9
11
13
15
17
19
21
22:48 00:00 01:12 02:24 03:36 04:48 06:00 07:12 08:24
Out No Screen Aluminet IC 60%
Air temperature in Basil with heating system◦ C
Hour
ALUMINET® ICALUMINET® IC
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Aluminet Thermal Screen
“… meets the requirements for acceptance on the SENTER-list for energy saving products.”
Aluminet Thermal Screen
Save more then 50% energy
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Basil Cultivation in GreenhousesBasil Cultivation in Greenhouses
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Basil Cultivation in GreenhousesBasil Cultivation in Greenhouses
3.747Aluminet®50%
3.065Black 50%
Fresh Weight
Kg/sq.m
Type
Summer Basil Crops under Various
Shading Nets
Summer Basil Crops under Various
Shading Nets
( Reshef, 2001)
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Cyclamen in Holland under Aluminet® 50%
Cyclamen in Holland under Aluminet® 50%
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Diffused Light and direct light
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The Influence of Aluminet® 50% on the Physiological Parameters of
Citrus Seedling Cultures
The Influence of Aluminet® 50% on the Physiological Parameters of
Citrus Seedling Cultures
(Medina and Machado, 2000)
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06:00 08:00 10:00 12:00 14:00 16:00 18:00
16
20
24
28
32
36
40
44
06:00 08:00 10:00 12:00 14:00 16:00 18:000,0
0,1
0,2
0,3
06:00 08:00 10:00 12:00 14:00 16:00 18:000
2
4
6
8
10
06:00 08:00 10:00 12:00 14:00 16:00 18:000
200
400
600
800
1000
1200
1400
Tem
pera
ture
(oC
)
Hour
g (m
ol.m
-2.s
-1)
Hour
With Aluminet Without Aluminet
A+Alu
= 1.23A-Alu
A (μ
mol
.m-2.s
-1)
Hour
August 08, 2000
PAR
(μm
ol.m
-2.s
-1)
Hour
06:00 08:00 10:00 12:00 14:00 16:00 18:00
16
20
24
28
32
36
40
44
06:00 08:00 10:00 12:00 14:00 16:00 18:000,0
0,1
0,2
0,3
06:00 08:00 10:00 12:00 14:00 16:00 18:000
2
4
6
8
10
06:00 08:00 10:00 12:00 14:00 16:00 18:000
200
400
600
800
1000
1200
1400
Tem
pera
ture
(oC
)
Hour
g (m
ol.m
-2.s
-1)
Hour
With Aluminet Without Aluminet
A+Alu
= 1.23A-Alu
A (μ
mol
.m-2.s
-1)
Hour
August 08, 2000
PAR
(μm
ol.m
-2.s
-1)
Hour
Citrus SeedlingsCitrus Seedlings
A: Photosynthesis rate, g: Stomatal conductance, PAR: Photosynthetic Active Radiation, Temperature:
Temperature of leaves in Orange crop- measured inside greenhouse, Aug. 8, 2000.
(Medina and Machado, 2000)
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Strawberry Greenhouse CultivationStrawberry Greenhouse Cultivation
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Aluminet DS & RDS – darkening screen
shortens the daylight hours Less condensation on the Screen
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Aluminet RDS and DS
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Aluminet®Thermal Screen
Aluminet®Thermal Screen
Decrease of the differences between
day and night temperatures
Energy savings in heated
greenhousesProtection against frost
radiation
Thrips and insect repellent
Dramatic yield increase in different
crops
Quality improvement in different kind of produce
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Use of nets against insects
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Problematic insects in pepper & tomato
1. Bemisia Tabaci (Whitefly)
2. Frankliniella Occidentalis (Thrips)
3. Liriomyza sp (Leaf miner)
4. Aphid sp
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Popular anti - insect control systems , for peppers & tomatoes
1. Anti-insects nets
3. Organic pesticides 4. Biologic suppress
2. Chemical pesticides
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Different constructions for anti insects nets
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Different constructions for anti insects nets
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Different constructions for anti insects nets
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49M. J. Berlinger et al., 1993.
Quantityof Whitefly
Treatment
11.5265.4Aluminet® 60%
2.454.850 mesh
2297.5control
Percentage from Control Crop
Quantities of Whitefly under various treatments
Laboratory test
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Quantities of Leaf miner & Aphis in different treatments
Leaf minerTreatment
0.00.0Aluminet® 60%
0.10.050 mesh
16.74.1control
Aphis
M. J. Berlinger et al., 1993.
Laboratory test
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51M. J. Berlinger et al., 1993.
Thrips QuantityTreatment
3.24.0Aluminet® 60%
13.817.150-mesh
124.1Control
Percentage from control crop
Quantities of Thrips under various types of nets
Laboratory test
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Tomato cultivation
Whitefly
0
50
100
150
200
250
1 2 3 4 5 6 7 8 9 10 11 12 13
Test No.
Whi
tefly
pop
ulat
ion
Mesh 50OptiNet 50Mesh 40 OptiNet 40
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Tomato cultivation
Thrips
0
20
40
60
80
100
1 2 3 4 5 6 7 8 9 10 11
Test No.
Thrip
s po
pula
tion
Mesh 50OptiNet 50Mesh 40OptiNet 40
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54Y. Antignus et al., 1998.
50 mesh 50 Bionet
Tomato cultivation
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