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

Table 5

Interaction effect of soil management practices and slope ranges on chemical properties of soils in Mawula watershed.

SMP	pH		OC (%)		TN (%)		C : N		AP (mg/kg)
	US	LS	US	LS	US	LS	US	LS	US	LS
NM	5.1^f	5.3^f	0.44^d	0.59^d	0.07^e	0.10^e	6.0^d	5.78^d	6.0^g	9.0^f
SB	5.6^e	6.03^d	1.75^c	2.42^b	0.14^d	0.16^d	12.4^cd	14.71^a	12.67^e	14.0^e
FYM	6.2^dc	6.36^c	2.59^b	2.67^b	0.21^c	0.21^cb	12.5^cb	12.56^cb	17.0^d	18.6^c
SBFYM	6.4^ba	6.6^a	2.93^a	3.02^a	0.24^b	0.27^a	12.1^cb	11.11^c	20.3^b	22.0^a
LSD	0.227		0.249		0.029		1.445		1.650
SEM (±)	0.075		0.082		0.009		0.476		0.543

Means for specific soil parameter followed by the same letter(s) are not significantly different from each other at  ≤ 0.05; SMP, soil management practices; NM, no management; SB, soil bund; FYM, farm yard manure management; SBFYM, soil bund integrated with farm yard manure; SEM, standard error of mean; US, upper slope; LS, lower slope.