Effect of Soil Management Practices and Slope on Soil Fertility of Cultivated Lands in Mawula Watershed, Loma District, Southern Ethiopia

Table 4

Effect of soil management practices and slope range on soil chemical properties in Mawula watershed.

SMP	pH	OC (%)	TN (%)	C : N	AP (mg/kg)
NM	5.20^d	0.51^d	0.09^d	5.89^c	7.50^d
SB	5.91^c	2.08^c	0.15^c	13.59^a	13.30^c
FYM	6.17^b	2.62^b	0.21^b	12.54^b	17.83^b
SBFYM	6.52^a	2.97^a	0.26^a	11.6^b	21.16^a
LSD (0.05)	0.16	2.87	0.02	1.02	1.02
SEM ()	0.02	0.02	0.01	0.68	76.70
CV%	2.18	6.95	9.64	7.57	6.29
Slope range
Upper	5.80^b	1.93^b	0.17^b	10.76	14.00^b
Lower	6.10^a	2.17^a	0.19^a	11.04	15.92^a
LSD (0.05)	0.11	0.12	0.01	0.72	0.82
SEM ()	0.02	0.02	0.001	0.68	0.54

Means within a column followed by the same letter are not significantly different from each other at  ≤ 0.05; SMP, soil management practices; NM, no management; SB, soil bund; FYM, farm yard manure; SBFYM, soil bund integrated with farm yard manure; OC, soil organic carbon; TN, total nitrogen; C : N, carbon to nitrogen ratio; AP, available phosphorus; US, upper slope; LS, lower slope.