Comparative Performance of Hybrid and Elite Inbred Rice Varieties with respect to Their Source-Sink Relationship
Table 2
Temperature, relative humidity (RH), total rainfall, solar radiation, and total sunshine hours of the experimental sites during dry seasons (December–May) in 2008-2009 and 2009-2010, respectively.
Months/years
Air temperature (°C)c
RH at 2 pm. (%)
Total rainfall (mm)
Solar radiation (Cal cm2)
Total sunshine (h)
Min.
Max.
Av.
a1st season (2008-09)
Dec 2008
16.90
25.57
21.24
70.5
0
257.0
121
Jan 2009
14.84
25.92
20.38
67.7
0
237.3
148
Feb 2009
17.31
29.79
23.55
63.0
1
347.9
178
Mar 2009
21.52
33.28
27.45
58.1
43
396.4
184
Apr 2009
25.86
35.58
30.72
68.8
13
410.1
255
May 2009
25.19
34.58
29.89
72.2
163
398.4
244
b2nd season (2009-10)
Dec 2009
14.40
25.29
19.85
74.9
0
213.0
148
Jan 2010
11.81
24.28
18.04
69.8
0
235.0
164
Feb 2010
14.49
29.05
21.81
71.8
15
339.9
194
Mar 2010
21.89
34.71
28.30
75.8
17
405.3
236
Apr 2010
25.02
35.29
30.16
70.3
58
394.4
215
May 2010
24.53
33.87
29.21
72.6
207
394.1
232
Sher-e-Bangla Agricultural University, (Bangladesh Meteorological Department, Climate and Weather Division) Sher-e-Bangla Nagar, Dhaka 1207. Plant Physiology Division, Bangladesh Rice Research Institute, (BRRI) Gazipur 1703. Monthly average of daily temperatures.
