Extent, Distribution, and Causes of Soil Acidity under Subsistence Farming System and Lime Recommendation: The Case in Wolaita, Southern Ethiopia

Table 4

Effects of fertilizer types and crop residue management on soil pH.

Field management	Fertilizer types			Crop residue status	pH
	DAP	Urea	FYM
Unfertilized	6.24a (399)	6.11 (687)	5.96b (621)	Removed	6.09b (758)
Fertilized	5.97 b (390)	6.06 (102)	6.66a (168)	Maintained	6.61a (31)
value		NS		value
CV (%)	10.18	10.42	9.3	CV (%)	10.3

Note. Numbers in the bracket refer to sample size.  < 0.001. Means in a column followed by the same letters are not significantly different at 5% level of significance; CV = coefficient of variation; NS = not significant.