The Effect of Organic Solid Waste Compost on Soil Properties, Growth, and Yield of Swiss Chard Crop (Beta vulgaris L.)
Table 4
Effect of organic amendments on selected soil properties.
Treatment (T)
Application rate (AR)
pH
EC (dS/cm)
SOC (%)
TN (%)
Ava. P
CEC
Exc. acidity
Control
No
5.60 ± 0.02e
0.070 ± 0.002a
1.56 ± 0.02f
0.102 ± 0.002g
2.21 ± 0.06g
20.33 ± 0.005f
0.534 ± 0.003a
FWC
5
5.82 ± 0.04d
0.066 ± 0.001b
1.60 ± 0.01e
0.122 ± 0.002e
3.17 ± 0.03e
22.44 ± 0.03e
0.487 ± 0.002b
10
6.15 ± 0.03b
0.031 ± 0.003d
1.86 ± 0.02c
0.136 ± 0.004c
3.60 ± 0.06c
27.01 ± 0.03c
0.312 ± 0.003d
15
6.23 ± 0.03a
0.013 ± 0.002f
2.27 ± 4.02a
0.164 ± 0.002a
4.13 ± 0.02a
32.55 ± 1.89a
0.180 ± 0.002g
LYC
5
5.80 ± 0.06d
0.055 ± 0.001c
1.69 ± 0.02d
0.115 ± 0.005f
2.64 ± 0.08f
24.40 ± 0.08d
0.393 ± 0.002c
10
5.92 ± 0.03c
0.034 ± 0.003d
1.85 ± 0.02c
0.132 ± 0.002d
3.42 ± 0.03d
26.85 ± 0.22c
0.337 ± 0.006e
15
6.21 ± 0.03a
0.028 ± 0.004e
2.11 ± 0.02b
0.153 ± 0.002b
3.91 ± 0.07b
30.61 ± 0.67b
0.224 ± 0.002f
T
AR
Tx AR
FWC = food waste compost; LYC = leaf and yard compost. Values followed by similar letters under the same column are not significantly different. < 0.001. < 0.01. < 0.05.