Plantain-Tree Rubber Intercropping Systems Improved Productivity in the Tropical Humid Zone of Ghana, West Africa
Table 4
Stem girth and height of plantain at Ellembelle and Jomoro sites.
Treatment
Girth (cm) Ellembelle
4 MAP
5 MAP
6 MAP
7 MAP
8 MAP
9 MAP
11 MAP
P
32.04
33.61
43.00
49.56
49.70
51.84
55.27
PR
22.29
28.39
34.39
39.55
42.28
43.44
48.34
PPR
25.54
31.72
36.50
41.99
44.47
45.68
49.98
PPPR
27.61
33.61
39.28
43.90
46.34
48.87
54.03
SED (5%)
1.79
1.41
0.83
0.80
NS
NS
NS
CV (%)
8.20
5.20
2.60
2.20
2.80
2.00
3.10
Treatment
Girth (cm) Jomoro
4 MAP
5 MAP
6 MAP
7 MAP
8 MAP
9 MAP
10 MAP
11 MAP
12 MAP
13 MAP
15 MAP
P
12.30
19.77
23.63
25.57
27.95
32.40
35.54
38.59
41.96
45.34
54.88
PR
14.28
21.22
25.12
28.73
32.85
35.50
38.42
41.10
44.40
47.39
55.67
PPR
16.32
22.57
28.94
31.89
36.40
39.34
43.48
44.64
47.43
50.72
61.33
PPPR
17.72
25.58
32.05
36.08
39.66
41.88
45.08
47.71
50.16
52.41
64.33
SED (5%)
0.50
0.59
0.21
0.31
0.65
0.47
0.78
0.28
0.45
0.41
0.47
CV (%)
4.10
3.20
1.00
1.20
2.30
1.50
2.40
0.80
1.20
1.00
1.00
Treatment
Height (cm) Ellembelle
4 MAP
5 MAP
6 MAP
7 MAP
8 MAP
9 MAP
11 MAP
P
73.60
82.20
93.60
113.10
122.20
132.40
167.70
PR
83.00
95.30
110.10
134.10
143.40
157.40
194.60
PPR
91.70
102.80
119.50
140.10
132.50
170.90
209.60
PPPR
97.20
119.50
126.80
134.10
172.20
194.30
238.10
SED (5%)
NS
8.31
9.30
NS
12.64
12.12
8.41
CV (%)
13.20
10.20
8.52
10.60
10.90
9.10
5.10
Treatment
Height (cm) Jomoro
4 MAP
5 MAP
6 MAP
7 MAP
8 MAP
9 MAP
10 MAP
11 MAP
12 MAP
13 MAP
15 MAP
P
39.31
64.58
74.28
87.22
97.26
106.91
115.83
137.02
172.10
206.00
219.33
PR
45.45
75.02
82.93
100.10
108.67
121.86
126.67
156.84
188.80
226.20
235.17
PPR
51.78
81.06
100.67
112.22
124.52
130.78
143.27
167.95
203.10
233.50
243.50
PPPR
59.28
92.83
113.79
121.01
128.52
139.61
149.17
181.36
214.40
236.80
254.89
SED (5%)
1.52
0.64
2.63
1.14
1.94
2.05
1.70
2.52
3.12
5.05
2.04
CV (%)
3.80
1.00
3.50
1.30
2.10
2.00
1.60
1.70
2.00
2.70
1.00
MAP = months after planting; P = sole plantain; R = sole rubber; PR = low-density plantain; PPR = medium-density plantain; PPPR = high-density plantain; SED = standard error of the difference; CV = coefficient of variation.