The interaction effects of coffee husk compost and lime rates on soil organic carbon and total nitrogen.

Table 3: The interaction effects of coffee husk compost and lime rates on soil organic carbon and total nitrogen.

Organic carbon (OC %)
Lime rate (t/ha)	Coffee husk compost rate (t/ha)
Lime rate (t/ha)	0	5	10	15
0	2.12^f	2.32^bcd	2.40^ab	2.52^a
1.6	2.17^ef	2.35^bcd	2.41^ab	2.38^bcd
3.2	2.27^de	2.36^bcd	2.42^ab	2.39^bc
4.8	2.28^cde	2.37^bcd	2.41^ab	2.41^ab
CV (%)	3.60
Total nitrogen (TN %)
0	0.163^g	0.203^de	0.203^de	0.243^a
1.6	0.180^f	0.217^cde	0.210^cde	0.237^ab
3.2	0.193^ef	0.203^de	0.223^bc	0.220^bcd
4.8	0.193^ef	0.207^cde	0.223^bc	0.210^cde
CV (%)	4.61

Mean values within a row or column followed by the same letter(s) are not significantly different from each other at P ≤ 0.05
a,b,c,d,e,f,g:: Indicate statistically significance difference of each treatment from each other at 5% by Duncan Multiple Range Test.