Rhizome Yield of Sweet Flag (Acorus calamus L.) as Influenced by Planting Season, Harvest Time, and Spacing
Table 1
Mean monthly weather data of Bilaspur, Chhattisgarh, India (Year 2006–2008).
Parameter
Year
Month
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
2006
28.2
33.2
33.0
38.6
40.1
38.5
30.2
30.1
42.2
32.4
29.8
28.0
MAX
2007
27.9
29.4
32.9
39.0
40.4
37.5
30.1
31.3
31.5
31.1
29.2
2008
27.5
27.4
34.8
39.1
41.7
34.3
32.2
31.7
32.3
32.1
30.1
29.3
2006
10.2
13.8
17.9
21.7
25.9
26.4
24.8
24.4
24.3
19.9
16.4
12.1
MIN
2007
11.1
14.7
17.6
22.1
25.0
26.4
24.6
24.3
24.4
18.9
14.2
2008
11.8
11.6
18.2
21.0
25.4
25.1
25.0
25.1
24.1
19.4
15.3
12.0
2006
87.0
83.0
82.0
67.0
63.0
75.0
91.0
92.0
91.0
92.0
91.0
92.0
SS
2007
8.9
9.0
9.4
9.5
9.3
5.8
4.2
3.8
5.0
8.8
11.7
2008
8.2
8.1
8.6
10.2
9.3
3.2
3.9
4.1
7.0
8.8
7.7
8.5
2006
3.0
4.1
4.8
6.5
7.1
6.6
3.0
3.0
3.6
3.6
2.6
2.5
EVP
2007
2.8
3.7
4.9
6.4
6.9
6.5
3.2
2.9
3.1
3.3
2.8
2008
2.6
3.1
4.7
6.4
8.3
4.6
3.9
3.4
3.8
3.3
2.7
2.4
2006
0.0
0.0
45.8
12.8
67.0
67.6
353.6
299.8
130.2
11.6
1.4
0.0
RF
2007
0.0
77.4
48.6
10.2
22.4
218.2
341.8
461.8
118.4
12.0
0.0
2008
1.4
14.6
12.6
29.6
4.4
280.2
165.4
241.0
213.8
15.4
6.4
0.0
2006
0.0
0.0
8.0
3.0
3.0
6.0
17.0
20.0
10.0
2.0
1.0
0.0
RD
2007
0.0
2.0
2.0
2.0
6.0
13.0
18.0
20.0
12.0
1.0
0.0
2007
1.0
2.0
2.0
2.0
2.0
17.0
19.0
17.0
10.0
1.0
1.0
0.0
Source: Agro-Meteorology Observatory of TCB College of Agriculture and Research Station (IGKV), Bilaspur, Chhattisgarh, Inida. MAX is the maximum temperature (°C), MIN is the minimum temperature (°C), RH is the relative humidity (%), SS is the sunshine hour (hr/day), EVP is the evaporation, RF is the rainfall (mm), and RD is the rainy days.
