TABLE 1.

Nutrient concentration of aerial parts and subterranean parts in A. catechu under different treatments.

	Aerial parts			Subterranean parts
	ID	CK	EI	ID	CK	EI
N (mg/g)	25.5 ± 0.6c	30.2 ± 1.2a	27.0 ± 1.5b	12.9 ± 1.1b	16.3 ± 0.1a	15.0 ± 0.5a
P (mg/g)	2.1 ± 0.3a	1.6 ± 0.2a	1.8 ± 0.1a	1.2 ± 0.0ab	1.1 ± 0.1b	1.3 ± 0.1a
S (mg/g)	3.5 ± 0.3a	3.2 ± 0.1a	3.2 ± 0.1a	4.0 ± 0.2a	3.4 ± 0.2b	4.1 ± 0.2a
K (mg/g)	27.6 ± 0.5a	24.1 ± 0.1b	25.1 ± 0.9b	19.2 ± 1.4b	26.6 ± 2.7a	21.6 ± 2.0b
Ca (mg/g)	8.2 ± 0.4a	5.2 ± 1.0b	5.1 ± 0.5b	9.0 ± 0.1a	8.1 ± 0.9b	11.8 ± 2.3a
Mg (mg/g)	1.9 ± 0.2a	1.7 ± 0.2ab	1.5 ± 0.1a	2.5 ± 0.1b	3.1 ± 0.2a	2.2 ± 0.1c
Fe (μg/g)	121.1 ± 3.2b	172.2 ± 16.3a	134.1 ± 7.7b	416.4 ± 23.2b	539.4 ± 105.2ab	655.0 ± 132.7a
Mn (μg/g)	53.9 ± 11.7b	61.5 ± 21.3ab	82.7 ± 16.2a	140.8 ± 16.7a	79.6 ± 6.8b	92.1 ± 7.4b
Zn (μg/g)	76.6 ± 6.7a	67.0 ± 6.1a	71.8 ± 15.6a	62.8 ± 4.2b	68.8 ± 1.1ab	71.6 ± 5.6a
Cu (μg/g)	6.5 ± 1.0a	7.4 ± 1.1a	6.3 ± 1.3a	25.5 ± 3.0a	19.9 ± 4.3b	12.5 ± 1.4c
B (μg/g)	1.9 ± 0.2a	2.2 ± 0.2a	2.2 ± 0.8a	0.3 ± 0.1b	2.2 ± 70.3a	1.7 ± 70.7a

Different lowercase letters within each column indicate significant differences between ID, CK, and EI at P < 0.05 based on the t-test.