Agriculture Reference
In-Depth Information
Table 7.4
Soil quality (chemical) under the different treatments at the transplanting of crop 3 (cabbage). (Adapted from Chan et al.
2008
)
Treatment
EC
pH
N
C
C/N
Exchangeable cations [cmol (+) kg
−1
]
dS m-1
CaCl
2
g 100 g
−1
g 100 g
−1
Ca
K
Mg
Na
eCEC
a
Farmer practice—low P
0.31
5.43
0.16
1.35
8.4
6.13
0.64
1.73
0.41
8.96
Compost (125 t ha
−
1)—low P
0.17
5.88
0.20
2.03
10.2
7.78
0.65
2.00
0.23
10.69
Mixed (62.5 t ha
−
1)—low P
0.22
5.30
0.18
1.68
9.3
6.83
0.41
1.56
0.23
9.01
Nil input control
0.15
5.33
0.14
1.20
8.6
5.65
0.24
1.43
0.23
7.55
l.s.d. (
p
= 0.05)
0.11
0.17
0.04
0.26
-
0.81
0.17
0.38
0.09
1.27
a
Effective cation exchange capacity
