Research Article

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)pHEC (dS/cm)SOC (%)TN (%)Ava. PCECExc. acidity

ControlNo5.60 ± 0.02e0.070 ± 0.002a1.56 ± 0.02f0.102 ± 0.002g2.21 ± 0.06g20.33 ± 0.005f0.534 ± 0.003a

FWC55.82 ± 0.04d0.066 ± 0.001b1.60 ± 0.01e0.122 ± 0.002e3.17 ± 0.03e22.44 ± 0.03e0.487 ± 0.002b
106.15 ± 0.03b0.031 ± 0.003d1.86 ± 0.02c0.136 ± 0.004c3.60 ± 0.06c27.01 ± 0.03c0.312 ± 0.003d
156.23 ± 0.03a0.013 ± 0.002f2.27 ± 4.02a0.164 ± 0.002a4.13 ± 0.02a32.55 ± 1.89a0.180 ± 0.002g

LYC55.80 ± 0.06d0.055 ± 0.001c1.69 ± 0.02d0.115 ± 0.005f2.64 ± 0.08f24.40 ± 0.08d0.393 ± 0.002c
105.92 ± 0.03c0.034 ± 0.003d1.85 ± 0.02c0.132 ± 0.002d3.42 ± 0.03d26.85 ± 0.22c0.337 ± 0.006e
156.21 ± 0.03a0.028 ± 0.004e2.11 ± 0.02b0.153 ± 0.002b3.91 ± 0.07b30.61 ± 0.67b0.224 ± 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.