Effect of Soil Management Practices on Soil Physico-Chemical Properties: A Case of Wera Sub-Watershed, Southern Ethiopia

Table 4

Effect of soil management practices at different landscape positions on soil chemical properties.

Soil properties	Landscape positions	Soil management practices
		SBD	FD	NSC	Overall
pH	Upper (>30%)	6.36 ± 0.06^b	6.35 ± 0.11^b	5.30 ± 0.10^c	6.01 ± 0.54^C
	Middle (15–30%)	6.27 ± 0.75^b	6.41 ± 0.32^b	6.06 ± 0.09^a	6.25 ± 0.23^B
	Lower (<15%)	6.81 ± 0.12^a	6.77 ± 0.36^a	6.35 ± 0.07^b	6.65 ± 0.29^A
	Overall	6.48 ± 0.26^a	6.51 ± 0.32^a	5.90 ± 0.48^b
	LSD 5%		0.1769
CEC (cmol·kg^−1)	Upper (>30%)	30.40 ± 0.87^b	21.10 ± 1.27^c	18.88 ± 2.00^c	23.46 ± 5.44^C
	Middle (15–30%)	38.53 ± 1.39^a	28.40 ± 4.95^b	21.47 ± 3.92^d	29.47 ± 8.10^B
	Lower (<15%)	40.60 ± 3.07^a	40.69 ± 8.94^a	28.24 ± 4.69^b	36.51 ± 8.14^A
	Overall	36.51 ± 4.98^a	30.06 ± 10.0^b	22.86 ± 5.28^c
	LSD 5%		4.1688
OC (%)	Upper (>30%)	1.39 ± 0.06^c	1.25 ± 0.15^c	0.92 ± 0.16^b	1.18 ± 0.24^C
	Middle (15–30%)	2.42 ± 0.31^b	1.82 ± 0.21^d	1.58 ± 0.19^d	1.94 ± 0.43^B
	Lower (<15%)	2.79 ± 0.07^a	2.21 ± 0.31^b	1.81 ± 0.30^c	2.27 ± 0.48^A
	Overall	2.20 ± 0.65^a	1.76 ± 0.47^b	1.44 ± 0.45^c
	LSD 5%		0.2157
TN (%)	Upper (>30%)	0.29 ± 0.00^d	0.21 ± 0.02^c	0.14 ± 0.01^b	0.22 ± 0.01^C
	Middle (15–30%)	0.32 ± 0.0^b	0.30 ± 0.00^b	0.17 ± 0.01^a	0.26 ± 0.07^B
	Lower (<15%)	0.43 ± 0.03^a	0.42 ± 0.03^a	0.26 ± 0.06^c	0.37 ± 0.10^A
	Overall	0.35 ± 0.07^a	0.31 ± 0.09^b	0.19 ± 0.06^c
	LSD 5%		0.0279
Av.P (mg·kg^−1)	Upper (>30%)	6.64 ± 0.13^c	6.62 ± 0.45^c	5.54 ± 1.45^c	6.27 ± 0.94^C
	Middle (15–30%)	14.66 ± 3.64^d	10.96 ± 1.09^a	7.17 ± 0.30^b	10.93 ± 3.76^B
	Lower (<15%)	17.56 ± 1.40^b	19.60 ± 0.74^b	11.12 ± 2.90^a	16.09 ± 3.94^A
	Overall	12.95 ± 5.27^a	12.4 ± 5.76^a	7.94 ± 2.63^b
	LSD 5%		1.4833

At , mean values followed by different small letters (a, b, c) along the same rows and capital letters (A, B, C) along the same column differ significantly.