Determination of Lime Requirement with Compost on Acidic Ultisols for Wheat Crop in the Gurage Zone of Ethiopia

Table 4

Mean values of exchangeable bases and CEC treated with different rates of lime and compost.

Treatment	pH water (1 : 2.5)	Exchangeable Ca (cmolc·kg^−1)	Exchangeable Mg (cmolc·kg^−1)	Exchangeable K (cmolc·kg^−1)	CEC (cmolc·kg^−1)
1	6.48^ba	8.43^a	2.99^ba	1.20^bdc	30.20^ba
2	6.53^a	7.66^ba	2.72^ebda	1.11^e	31.58^a
3	6.34^ba	7.54^ba	2.50^ed	1.28^a	29.13^bac
4	6.19^bc	6.33^dce	2.33^e	1.17^edc	29.06^bac
5	5.69^dgef	6.17^de	2.56^edc	1.20^bdc	29.32^bac
6	5.92^dc	7.27^bc	2.89^bdac	1.23^bac	27.74^bdc
7	5.81^def	5.82^dfe	2.64^ebdc	1.24^ba	28.10^bdc
8	5.82^def	5.37^fe	2.51^ed	1.11^e	28.29^bdc
9	5.38^gh	6.34^dc	3.13^a	1.20^bdc	26.16^d
10	5.50^gf	5.45^dfe	2.97^bac	1.23^bac	29.01^bdac
11	5.53^gef	5.10^f	2.80^bdac	1.20^bdc	27.40^bdc
12	5.83^de	6.22^de	3.12^a	1.23^bac	26.66^dc
13	4.8^1i	3.35^g	2.69^ebdc	1.25^ba	28.07^bdc
14	4.8^1i	1.79^h	2.47^ed	1.20^bdc	27.29^dc
15	5.15^h	3.07^g	2.57^ebdc	1.17^edc	27.24^dc
16	4.69^i	3.56^g	2.86^bdac	1.16^ed	27.18^dc
CV (%)	3.41	10.35	9.64	3.19	6.09
LSD	0.32	0.96	0.44	0.06	2.86
Mean	5.65	5.59	2.73	1.20	28.28

Means within column followed by the same letter are not statistically different from each other at p > 0.05; LSD = least significant difference; CV = coefficient of variation.