Agriculture Reference
In-Depth Information
SM
Solid material
SO
2
Sulfur dioxide
SqMV
Squash mosaic virus
S
s
Soil area
t
Proportion of the radiation used for transpiration
T
Transpiration; Temperature; Tangent to the drop in the contact point
T
(°C)
Temperature, Celsius degrees
T
(°F)
Temperature, Fahrenheit degrees
T
(K)
Temperature, Kelvin degrees
T
1
Threshold temperature
T
a
Air temperature
TBSV
Tomato bushy stunt virus
T
c
Set point temperature
TDR
Time domain reflectometry
T
e
External air temperature
T
F
Fluid temperature
T
i
Air temperature inside the greenhouse; also designates temperature of a
process
TMV
Tobacco mosaic virus
ToCV
Tomato chlorosis virus
ToMV
Tomato mosaic virus
T
s
Surface temperature
TSWV
Tomato spotted wilt virus
TYLCV
Tomato yellow leaf curl virus
U
Average external wind velocity
U
Wind velocity
U
10
Wind velocity at 10 m height
U
h
Wind velocity at a height
h
UNE
Spanish norm (regulation)
UV
Ultraviolet
UV-PE
Ultraviolet polyethylene
V
Greenhouse ventilation rate per soil area unit; also designates the volume of
the greenhouse
VPD
Vapour pressure deficit
W
West (cardinal point)
WMV-2
Watermelon mosaic virus-2
WTO
World Trade Organization
WUE
Water use efficiency
X
Air absolute humidity; also designated as AH
X
A
Greenhouse ambient absolute humidity
X
S
Surface absolute humidity
ZYMV
Zucchini yellow mosaic virus
a
Absorptivity or absorption coefficient
b
Conversion factor for direct solar radiation into diffuse radiation (in the
greenhouse)
g
Azimuth (angle)
D
Difference
D
H
Vaporization latent heat
D
T
Temperature difference
e
Emissivity
e
b
Solar radiation into biomass conversion efficiency
