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

Table 9

The interaction effect of soil management practices and slope ranges on micronutrient cations in soils of Mawula watershed (mg·kg⁻¹).

SMP	Fe		Zn		Mn		Cu
	US	LS	US	LS	US	LS	US	LS
NM	5.1^e	5.38^d	2.74^ff	2.9^ef	1.69^f	2.43^ef	4.45^g	4.74^f
SB	5.45^d	5.6^cd	3.26^cd	3.49^cd	2.74^ed	2.87^edc	4.98^e	5.41^d
FYM	5.77^cb	5.9^b	3.86^cb	4.03^b	3.34^bdc	3.58^bac	5.78^c	5.93^cb
SBFYM	6.23^a	6.37^a	4.9^a	5.19^a	4.02^ba	4.15^a	6.06^b	6.45^a
LSD	0.226		0.498		0.764		0.228
SEM (±)	3.2		2.4		3.1		3.8

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.