Potassium (K)-to-magnesium (Mg) ratio, its spatial variability and implications to potential Mg-induced K deficiency in Nitisols of Southern Ethiopia

Table 1 Descriptive statistics of soil exchangeable K, Mg and K–Mg in the study districts

District	Descriptive statistics	K	Mg	K–Mg
District	Descriptive statistics	(Cmol(+)kg⁻¹)
Damot Gale (N = 243)	Mean	1.4	1.9	0.7
	SD	0.8	0.6	0.3
	Median	1.1	1.9	0.7
	Minimum	0.1	0.2	0.2
	Maximum	3.9	4.2	1.6
	CV (%)	57	32	40
Damot Sore (N = 216)	Mean	1.4	2.3	0.6
	SD	1.0	1.4	0.3
	Median	1.0	2.0	0.6
	Minimum	0.2	0.5	0.1
	Maximum	6.2	9.5	1.5
	CV (%)	71	61	43
Sodo Zuria (N = 330)	Mean	1.1	1.8	0.6
	SD	0.7	0.7	0.2
	Median	0.9	1.8	0.6
	Minimum	0.2	0.2	0.1
	Maximum	4.5	4.6	1.3
	CV (%)	64	39	40
Total (N = 789)	Mean	1.3	2.0	0.6
	SD	0.9	0.9	0.3
	Median	1.0	1.9	0.6
	Minimum	0.1	0.2	0.1
	Maximum	6.2	9.5	1.6
	CV (%)	69	45	41
	F _value	***	***	***

ISSN: 2048-7010