Examining the Effect of Combined Biochar and Lime Rates on Selected Soil Physicochemical Properties of Acid Soils in Gimbi District, Western Ethiopia

Table 2

Effect of coffee husk biochar (CHB) and soil test value-based lime (STV) rates on bulk density (BD), porosity (Po), and moisture content (MC) in acidic soils.

Factor ha^−1	BD (g cm^−3)	Po (%)	MC (%)
Farm-1
Control	1.21^a	54.34^d	25.79^d
100% of STV	1.15^ab	56.35^cd	34.63^ab
10 ton of CHB	0.90^d	64.65^a	31.76^bc
10 ton of CHB + 75% of STV	0.90^d	65.78^a	37.92^a
10 ton of CHB + 50% of STV	1.03^c	60.88^b	38.70^a
7.5 ton of CHB + 75% of STV	1.04^c	60.75^b	27.66^cd
7.5 ton of CHB + 50% of STV	1.04^c	60.63^b	36.46^ab
5 ton of CHB + 75% of STV	1.10^bc	58.49^bc	32.93^b
CV (%)	3.92	2.59	8.57
LSD (0.05)	0.07	2.72	4.98
Farm-2
Control	1.41^a	46.79^c	21.56^h
100% of STV	1.01^c	61.76^a	36.15^d
10 ton of CHB	0.97^c	63.27^a	39.61^b
10 ton of CHB + 75% of STV	1.08^b	59.24^b	33.02^e
10 ton of CHB + 50% of STV	1.12^b	57.61^b	42.83^a
7.5 ton of CHB + 75% of STV	1.02^c	62.13^a	23.93^g
7.5 ton of CHB + 50% of STV	1.10^b	58.24^b	38.13^c
5 ton of CHB + 75% of STV	1.12^b	57.61^b	28.11^f
CV (%)	2.69	1.92	1.36
LSD (0.05)	0.05	1.96	0.78

ns: non-significant, : significant (), : highly significant ().