Table 1. Soil physicochemical characteristics of different treatments.

Treatments	pH	Organic matter	Organic C	Total N	Total P	Available P	Available K	Ammonium N	Nitrate N
		(g•kg-1)	(g•kg-1)	(g•kg-1)	(g•kg-1)	(mg•kg-1)	(mg•kg-1)	(mg•kg-1)	(mg•kg-1)
CN	7.07 b	20.42 b	11.84 b	1.41 ab	2.33 b	128.63 c	187.69 a	14.08 a	32.77 a
BFN	7.47 a	53.30 a	30.92 a	1.31 b	2.63 a	138.53 b	186.83 a	13.68 a	28.91 b
BFC	7.39 a	43.67 a	25.33 a	1.31 b	2.17 c	182.67 a	179.19 b	13.92 a	14.03 c
CF	7.07 b	27.62 b	16.02 b	1.44 a	2.30 b	131.57 c	187.18 a	14.02 a	32.83 a

Note: Mean values (n = 3) for each treatment that are followed by the same letter are not significantly different (P ≤0.05) between treatments in the same column.