No	Experimental treatments	TC (mg∙kg⁻¹)	TN (mg∙kg⁻¹)	TP (mg∙kg⁻¹)	TK (mg∙kg⁻¹)	C/N ratio	NO− 3-N (mg∙kg⁻¹)	NH+ 4-N (mg∙kg⁻¹)	SP (mg∙kg⁻¹)	SK (mg∙kg⁻¹)	pH	EC (mS∙cm⁻¹)
No	Experimental treatments	TC (mg∙kg⁻¹)	TN (mg∙kg⁻¹)	TP (mg∙kg⁻¹)	TK (mg∙kg⁻¹)	C/N ratio	NO− 3-N (mg∙kg⁻¹)	NH+ 4-N (mg∙kg⁻¹)	SP (mg∙kg⁻¹)	SK (mg∙kg⁻¹)	pH	EC (mS∙cm⁻¹)
1	Natural farming	22,270	1340	1060	6830	16.6	6	5	327	2120	6.2	0.31
2	Natural farming	26,050	1440	1240	1820	18.1	8	0	46	87	6.1	0.12
3	Natural farming	78,210	3240	2500	8110	24.1	18	2	495	1890	6.7	0.22
4	Organic farming	143,700	12,310	24,280	2590	11.7	64	3	13,017	1436	7.1	1.09
5	Organic farming	31,290	2190	7340	5130	14.3	17	1	2196	1457	7.4	0.29
6	Organic farming	55,460	3300	6820	4530	16.8	37	1	2300	1116	6.9	0.38
7	Hybrid farming	21,600	690	3400	10,800	31.3	0	2	10	29	6.5	0.10
8	Hybrid farming	58,300	2600	11,300	14,500	22.4	9	1	81	156	7.3	0.10
9	Hybrid farming	42,300	1600	3400	4700	26.4	0	0	52	62	6.8	0.10
10	Conventional farming	28,740	2030	1070	7050	14.2	6	25	66	2100	5.4	0.38
11	Conventional farming	49,490	3070	2360	8390	16.1	7	20	1234	1075	6.4	0.36
12	Conventional farming	41,080	2500	1310	7060	16.4	9	3	914	1502	7.0	0.46