Agriculture Reference
In-Depth Information
TABLE 3.18
Selected Soil Chemical Properties after Harvest of Three Soybean Crops as Influenced
by Liming Treatments
Lime Rate (Mg ha
−
1
)
Soil Property
0
3
6
12
18
1st Crop
pH
5.3
6.0
6.5
7.0
7.3
Base saturation (%)
17.1
54.1
68.2
80.6
91.1
H + Al (cmol
c
kg
−1
)
3.90
2.53
1.85
1.23
0.63
Al (cmol
c
kg
−1
)
3.75
0
0
0
0
Ca (cmol
c
kg
−1
)
0.47
1.78
2.84
3.80
4.77
Mg (cmol
c
kg
−1
)
0.25
1.11
1.06
1.26
1.41
CEC (cmol
c
kg
−1
)
4.71
5.51
5.84
6.39
6.90
2nd Crop
pH
5.2
5.7
6.4
6.9
7.2
Base saturation (%)
16.9
37.2
56.8
72.8
83.3
3.85
2.75
1.99
1.22
0.67
H + Al (cmol
c
kg
−1
)
0.38
0.1
0
0
0
Al (cmol
c
kg
−1
)
0.49
1.03
1.64
2.05
2.13
Ca (cmol
c
kg
−1
)
0.13
0.44
0.85
1.09
1.09
Mg (cmol
c
kg
−1
)
4.64
4.38
4.64
4.53
4.06
CEC (cmol
c
kg
−1
)
3rd Crop
pH
4.7
6.1
6.7
7.5
7.7
Base saturation (%)
15.2
52.5
70.4
95.5
100
3.88
2.04
1.26
0.19
0
H + Al (cmol
c
kg
−1
)
0.43
0
0
0
0
Al (cmol
c
kg
−1
)
Ca (cmol
c
kg
−1
)
0.38
1.33
1.69
2.34
2.50
Mg (cmol
c
kg
−1
)
0.18
0.76
1.10
1.41
1.46
CEC (cmol
c
kg
−1
)
4.57
4.30
4.22
4.1
4.08
Average of Three Crops
pH
5.1
5.9
6.5
7.1
7.4
BS (%)
16.4
47.9
65.1
83.0
91.5
H + Al (cmol
c
kg
−1
)
3.88
2.44
1.70
0.88
0.43
Al (cmol
c
kg
−1
)
1.52
0.03
0
0
0
Ca (cmol
c
kg
−1
)
0.45
1.38
2.06
2.73
3.14
Mg (cmol
c
kg
−1
)
0.19
0.77
1.00
1.25
1.32
CEC (cmol
c
kg
−1
)
4.64
4.73
4.9
5.01
5.01
Statistical Analysis
Year (Y)
**
Lime rate (L)
**
**
Y × L
Source:
From Fageria, N. K., L. C. Melo, and J. P. de Oliveira. 2013a.
J. Plant Nutr.
36: 2179-2190. With permission.
**Significant at the 1% probability level.
