Environmental Engineering Reference
In-Depth Information
Table 11.5 Residual effect of treatments and initial soil value (15-30 cm depth)
Treatment
% N
% OM
% Org. C
PH
P (mg/kg)
K (cmol/kg)
Na (cmol/kg)
Mg (cmol/kg)
Ca (cmol/kg)
Initial
0.04
0.65
0.38
6.80
6.00
0.08
0.08
2.44
5.16
T
0
0.03
0.48
0.28
6.60
3.84
0.08
0.07
1.60
4.00
T
1
0.04
0.63
0.36
6.40
5.84
0.09
0.10
2.44
3.92
T
2
0.06
0.73
0.42
7.20
9.18
0.10
0.11
1.40
6.80
T
3
0.06
0.72
0.42
7.10
12.38
0.11
0.11
1.08
6.72
LSD (1%)
0.02
-
-
-
-
-
0.03
-
-
LSD (5%)
0.01
0.21
0.12
0.61
5.04
0.03
0.02
1.66
2.46
CV (%)
51.71
46.55
46.66
10.57
65.28
32.40
36.94
69.59
38.17
Source: Amoakohene (1999)
