Effects of Unburned Lime on Soil pH and Base Cations in Acidic Soil

Table 3

Exchangeable cations saturation (%) as affected by limes.

Treatments	Ca (%)	Mg (%)	K (%)	Na (%)	Al (%)
Baseline	27.44	11.18	2.64	0.28	58.45
Controls(0 t ha^−1)	27.98	11.73	2.30	0.07	57.91
Agricultural burned lime 1.4 t ha^−1	64.11	15.3	3.55	0.09	16.96
Agricultural burned lime 2.8 t ha^−1	62.6	25.33	3.08	0.07	8.96
Agricultural burned lime 4.2 t ha^−1	75.09	18.03	3.67	0.09	3.1
Karongi unburned lime 1.4 t ha^−1	35.04	31.11	2.71	0.07	31.06
Karongi unburned lime 2.8 t ha^−1	30.12	36.04	3.06	0.03	30.74
Karongi unburned lime 4.2 t ha^−1	34.21	36.87	7.66	0.07	21.19
Musanze unburned lime 1.4 t ha^−1	59.94	18.07	3.19	0.09	18.71
Musanze unburned lime 2.8 t ha^−1	68.34	18.81	3.24	1.00	9.51
Musanze unburned lime 4.2 t ha^−1	69.31	20.45	3.33	0.08	6.83
Rusizi unburned lime 1.4 t ha^−1	41.24	14.22	3.15	0.04	41.34
Rusizi unburned lime 2.8 t ha^−1	64.84	19.97	3.65	0.05	11.48
Rusizi unburned lime 4.2 t ha^−1	71.81	20.27	3.93	0.08	3.89
𝑃 value	<0.001	0.001	0.463	0.278	<0.001
LSD	11.552	6.568	3.236	0.043	14.580

LSD: Least significant differences of means (5% level).