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Table 3 Temporal variation of parameters (mean ± standard error) of plant and soil during PI (panicle initiation) and FW (flowering) stages of the crop growth period

From: An application of blended amendments in monsoon rice field

Stage Parameters Treatments
   T1 T2 T3 T4 T5
 PI stage Root length (cm) 7.83 ± 0.03 10.83 ± 0.60 6.26 ± 0.92 8.53 ± 1.46 6.53 ± 0.66
  Leaf area (cm2/hill) 806.79 ± 150.19 1185.16 ± 94.77 1299.59 ± 151.50 938.25 ± 110.28 2897 ± 54.64
  pH 6.28 ± 0.10 6.63 ± 0.14 6.53 ± 0.09 6.34 ± 0.03 6.41 ± 0.24
  Redox potential (mV) 17.33 ± 2.33 6.33 ± 2.88 5.00 ± 1.73 14.33 ± 1.52 24.66 ± 0.57
  Electrical conductance (μs/cm) 24.00 ± 5.50 28.00 ± 1.00 22.33 ± 0.88 20.33 ± 1.85 15.00 ± 0.57
  Soil organic matter (%) 2.76 ± 0.41 2.34 ± 0.19 2.56 ± 0.16 2.65 ± 0.16 2.65 ± 0.11
 FW stage Root length (cm) 10.23 ± 0.14 12.33 ± 0.28 7.86 ± 2.05 9.43 ± 0.21 8.70 ± 0.20
  Leaf area/hill (cm) 2572.33 ± 59.34 4207.68 ± 6.20 4723.41 ± 76.99 6187.17 ± 55.55 2921.63 ± 17.30
  pH 7.60 ± 0.14 7.21 ± 0.11 7.21 ± 0.11 7.31 ± 0.16 7.29 ± 0.02
  Redox potential (mV) − 60.33 ± 8.41 − 38.66 ± 6.35 − 38.66 ± 6.35 − 32.00 ± 2.64 − 41.00 ± 1.15
  Electrical conductance (μs/cm) 36.66 ± 4.70 28.66 ± 0.66 28.66 ± 0.66 28.66 ± 3.75 31.66 ± 1.20
  Soil organic matter 2.22 ± 0.26 2.24 ± 0.13 2.70 ± 0.19 2.47 ± 0.08 2.43 ± 0.25
Two-way ANOVA results
Factors Root length (cm) Leaf area (cm2/hill) pH Redox potential (mV) Electrical conductance (μs/cm) Soil organic matter (%)
 Treatment p < 0.000 p < 0.000 p < 0.000 p < 0.000 p < 0.104 p < 0.201
 Stage p < 0.001 p < 0.000 p < 0.000 p < 0.000 p < 0.000 p < 0.000
 Treatment × Stage p < 0.854 p < 0.000 p < 0.791 p < 0.004 p < 0.075 p < 0.599