Storage duration

SD > 3 years

2 ≤ SD< 3 years

SD < 2 years

Parameters

“old” DFS

“intermediate” DFS

“recent” DFS

pH (H₂O)

4.93 ± 0.21

4.96 ± 0.13

5.77 ± 0.06

EC (mS/cm)

2.66 ± 0.25

3.67 ± 0.32

5.01 ± 1.03

CO (%)

14.38 ± 3.22

17.35 ± 0.51

18.13 ± 3.17

MO (%)

24.79 ± 5.55

29.91 ± 0.88

31.25 ± 5.47

N-t (%)

1.46 ± 0.07

1.85 ± 0.06

1.80 ± 0.33

C/N

9.79 ± 1.81

9.37 ± 0.33

10.07 ± 0.74

P-t (mg/kg)

18,027.34 ± 1436.19

18,119.28 ± 1011.93

15,343.85 ± 1188.32

K-t (mg/Kg)

616.77 ± 104.35

739.83 ± 14.68

1462.68 ± 1139.34

Na (mg/Kg)

69.31 ± 15.22

80.31 ± 43.32

438.86 ± 179.31

Ca (mg/Kg)

4641.98 ± 552.68

5428.60 ± 73.59

5846.85 ± 774.26

Mg (mg/kg)

1841.89 ± 70.34

2176.42 ± 286.64

2649.79 ± 682.55