. 2023 Jan 27;2(1):e81. doi: 10.1002/imt2.81

Table 1.

Physicochemical soil properties in different fertilization treatments

	CK	CF	CM	WS	GM
SOC (g kg⁻¹)	12.20 (0.3)^c	13.40 (1.80)^bc	22.10 (2.20)^a	15.70 (0.60)^b	15.70 (0.20)^b
TN (g kg⁻¹)	1.38 (0.03)^c	1.55 (0.17)^bc	2.18 (0.32)^a	1.73 (0.06)^b	1.85 (0.05)^b
TP (g kg⁻¹)	1.35 (0.03)^b	1.95 (0.09)^a	2.58 (0.44)^a	2.27 (0.11)^a	2.04 (0.33)^a
NH₄ ⁺‐N (mg kg⁻¹)	6.51 (1.30)^c	17.10 (2.90)^b	31.40 (0.90)^a	9.04 (2.30)^c	7.91 (3.10)^c
NO₃ ⁻‐N (mg kg⁻¹)	19.70 (4.40)^b	19.20 (1.90)^b	34.9 (5.20)^a	27.5 (4.20)^ab	32.30 (2.80)^a
AP (mg kg⁻¹)	5.53 (0.30)^d	27.60 (7.40)^c	173.20 (5.20)^a	67.80 (6.20)^b	68.70 (4.50)^b
pH	8.52 (0.01)^a	8.44 (0.02)^b	8.35 (0.04)^c	8.40 (0.05)^bc	8.41 (0.04)^bc

Note: Data are mean ± SD in parentheses and different lowercases in a row indicate significant differences (least significant difference test, p < 0.05).

Abbreviations: CK, nonfertilization; CM, cow manure; Fertilization treatments—CF, chemical fertilizer; GM, green manure; WS, wheat straw; SOC, soil organic carbon; Soil properties—AP, available phosphorus; TN, total nitrogen, TP, total phosphorus.