Growth Rate and Yield of Two Tomato Varieties (Lycopersicon esculentum Mill) under Green Manure and NPK Fertilizer Rate Samaru Northern Guinea Savanna
Table 3
Influence of NPK fertilizer and green manure rates on plant height and crop growth rate per plant of two tomato varieties in Samaru, 2010-2011 and 2011-2012 dry season.
Plant height (cm)
Crop dry weight per plant (g)
5 WAT
7 WAT
9 WAT
Mean
5 WAT
7 WAT
9 WAT
Mean
Variety
Roma VF
21.7
35.8
59.5
39.0
7.2
15.6
25.3
16.0
UC82B
22.1
38.1
61.2
40.5
8.3
17.7
28.7
18.2
Mean
21.9
36.9
60.3
7.7
16.7
27.0
LSD (0.05)
2.51
3.26
2.17
1.38
1.28*
2.02*
Fertilizer rate kg ha−1
0
18.8
33.6
45.0
32.4
7.2
14.5
19.4
13.7
150
23.3
34.9
54.8
37.7
7.0
15.2
22.3
14.8
300
22.3
38.0
65.1
41.8
9.0
18.6
32.3
20.0
450
23.2
41.1
72.8
45.7
8.5
18.4
33.9
20.3
Mean
21.9
36.9
59.4
7.9
16.6
27.0
R
L
L
L
Q
Q
L
Green manure t ha−1
0
19.3
32.7
55.2
35.7
7.0
15.1
23.8
15.3
5
22.7
38.8
62.4
41.3
7.9
17.1
27.4
17.4
10
23.8
40.1
63.4
42.4
8.7
17.7
29.7
18.7
Mean
21.9
37.2
60.3
7.9
16.6
26.9
R
L
L
L
L
L
L
Significant at , R: regression, L: linear, and Q: quadratic response.