Effects of Shade and Biochar Application on the Quercetin Content of Longevity Spinach in Inceptisol

Table 5

Effects of biochar and shade application on the cation exchange capacity (cmol (+).kg⁻¹).

Shade (%)	Doses of biochar (ton ha^−1)					Mean
	K	0	10	15	20
0	9.97	9.07	9.40	9.51	9.18	9.43 a
50	9.56	9.10	8.72	9.45	9.21	9.21 a
70	10.42	9.31	9.64	9.60	9.39	9.67 a
Mean	9.98 a	9.16 a	9.25 a	9.52 a	9.26 a	—

Means followed by the same letters are not significantly different at 5% DMRT.