Table 1.

Comparison of biochemical properties among different samples

Items/samples	NS1.1	NS1.2	NS1.3	OS1.1	OS1.2	OS1.3
pH*	6.25 ± 0.1	6.50 ± 0.2	6.88 ± 0.1	4.50 ± 0.2	4.68 ± 0.1	4.49 ± 0.1
Moisture (%)	37.81 ± 3.4	38.02 ± 2.9	38.12 ± 2.6	37.66 ± 1.3	38.14 ± 2.5	38.25 ± 4.2
Humus (%)*	21.05 ± 1.5	23.88 ± 1.3	24.41 ± 2.1	30.15 ± 2.6	33.10 ± 3.1	29.84 ± 0.8
NH4 + (mg/kg)*	183.1 ± 1.3	180.8 ± 1.9	170.6 ± 0.8	129.2 ± 2.4	130.8 ± 3.2	131.1 ± 1.5
AP (mg/kg)*	191.2 ± 9.6	205.3 ± 10.5	214.5 ± 12.3	825.0 ± 32.1	846.1 ± 64.5	802.4 ± 57.8
Available K+ (mg/kg)*	112.5 ± 3.2	102.4 ± 1.5	107.8 ± 2.6	59.8 ± 0.8	60.1 ± 1.2	62.5 ± 0.7

All data are presented as mean ± standard deviations (n = 3)

AP available phosphorus

* Significant differences in a row between NS1 and OS1 as determined by ANOVA (P < 0.05)