Table 1.

The soil composition, including soil organic matter (SOM) content and available forms of mineral elements.

	N	pH	SOM	P	K	Mg	Ca	Fe	Mn	Zn	Cu	S
	kg ha−1		%	kg ha−1		mg kg−1
Depth (cm)	0–90	0–30
2018	166.4	7.17	2.82	57.9	158.2	385.2	736.4	21.98	23.5	3.86	3.31	451.54
2019	153.9	7.19	2.88	60.5	160.2	394.75	695.0	18.83	17.4	4.32	4.65	448.49
2020	167.5	7.16	3.13	61.2	162.1	342.08	732.39	24.64	18.54	5.42	4.61	448.87