Agronomic Efficiency of Biosolid as Source of Nitrogen to Banana Plants
Table 3
Leaf endurance index, N/K relationship in the shoots, plant height, and banana stem diameter due to biosolid or mineral fertilizer application.
Treatment
LEI, %
Foliar N/K
Plant height, m
Stem diameter, m
2002
Control
39 ab
0.95 b
2.21 abc
0.19 ab
33 bc
1.14 a
2.29 a
0.21 a
32 cd
1.20 a
2.26 ab
0.20 a
26 d
1.29 a
2.26 ab
0.21 ab
39 ab
1.20 a
2.16 bc
0.19 b
40 a
1.28 a
2.10 c
0.19 b
<0.0001
<0.0001
<0.0001
<0.0001
2003
Control
49 a
0.74 b
2.42 b
0.23 ab
37 b
0.91 a
2.60 ab
0.23 ab
34 bc
0.95 a
2.63 ab
0.23 ab
28 c
1.02 a
2.71 a
0.23 a
39 b
0.96 a
2.48 ab
0.21 b
38 b
1.03 a
2.59 ab
0.21 ab
<0.0001
<0.0001
0.023
0.012
2004
Control
63
0.74 c
2.74
0.25
61
0.92 b
2.96
0.26
59
1.05 ab
2.95
0.26
65
1.12 a
2.92
0.26
67
1.07 ab
2.83
0.24
62
1.10 a
2.89
0.25
0.105
<0.0001
0.44
0.092
LEI: leaf endurance index; : significance of test for treatment effects at 5 degrees of freedom (df) for treatments and 4 df for error; averages followed by same letters within crop cycles on columns do not differ to Tukey HSD test at .
