Effects of Nitrogen Application on Growth and Ethanol Yield of Sweet Sorghum [Sorghum bicolor (L.) Moench] Varieties
Table 2
Main effects of variety and fertilizer on the plant heights (cm) of sweet sorghum at 4 to 10 weeks after sowing (WAS) at the Ilorin (ILR) and Ejiba (EJB) experimental sites.
Treatment
4
6
8
10
ILR
EJB
ILR
EJB
ILR
EJB
ILR
EJB
Variety (V)
NTJ-2
38.89
28.71
55.33
54.22
103.55
104.78
146.83
155.11
64 DTN
33.25
25.65
48.05
55.71
97.56
101.68
139.51
145.74
SW Makarfi 2006
37.42
24.41
62.17
63.34
129.35
114.47
168.54
168.91
SW Dansadau 2007
38.30
28.63
59.97
69.58
127.01
132.07
177.17
177.61
SED
3.211
0.916
2.942
1.748
4.366
5.207
3.753
5.630
LSD(0.05)
ns
2.240
7.200
4.276
10.683
12.742
9.184
13.775
Fertilizer (F) (kg N ha)
0
34.10
25.64
48.68
48.46
84.98
93.03
127.04
122.74
40
38.17
26.01
60.53
63.70
116.62
123.96
161.26
169.90
80
36.60
28.74
53.21
66.48
119.75
117.57
165.83
170.48
120
36.08
27.93
58.91
64.86
122.47
120.93
167.75
182.17
160
39.86
25.93
60.56
60.05
128.02
110.76
168.19
163.92
SED
2.206
1.807
2.970
3.701
4.709
6.958
5.306
8.791
LSD(0.05)
ns
ns
6.049
7.539
9.592
14.172
10.807
17.906
Interaction
×
ns
ns
ns
ns
ns
ns
Means followed by the same letters are not significantly different from each other at 5% probability level. LSD(0.05): least significant difference at 5% probability level. SED: standard error of difference. denotes significance at 5% probability level. ns: not significant.
