Soil Fertility in relation to Landscape Position and Land Use/Cover Types: A Case Study of the Lake Kivu Pilot Learning Site

Table 2

Soil properties under the different land-use/cover in two selected microcatchments.

Site	Land-use	Landscape position	Depth; cm	pH	OM; %	%	Av_P; mgkg^−1	K	Ca	Mg	Na	Textural classes
								cmolkg^−1
Mupfuni Shanga	Footslope	Perennials	0–15	7.4	4.39	0.32	10.0	3.9	0.17	22.9	6.9	Silty loam
			15–30	6.8	5.34	0.12	23.1	4.12	0.22	20.3	5.08	Sandy loam
	Backslope	Perennials	0–15	7.04	5.20	0.29	13.7	4.92	0.31	21.9	6.94	Sandy loam
			15–30	7.15	4.68	0.26	14.1	3.91	0.21	24.3	7.57	Sandy loam
	Summits	Annuals	0–15	6.75	5.16	0.27	10.2	2.34	0.20	22.0	7.41	Sandy loam
			15–30	6.90	5.43	0.22	15.7	2.35	0.28	23.4	6.30	Sand clay loam
Bufundi	Footslope	Annuals	0–15	5.67	4.07	0.23	10.1	0.60	3.88	1.47	0.07	Sand clay loam
			15–30	5.00	4.57	0.23	4.24	0.41	2.18	0.77	0.05	Sand clay loam
		Eucalyptus	0–15	4.23	5.76	0.29	1.30	0.53	1.33	0.52	0.04	Sand clay loam
			15–30	4.50	4.20	0.57	14.27	0.72	1.69	0.66	0.06	Sand clay loam
		Perennials	0–15	5.07	6.35	0.56	23.74	0.74	4.21	1.73	0.05	Sand clay loam
			15–30	4.23	6.79	0.32	8.00	0.50	2.64	1.30	0.05	Sand clay loam
	Summit	Annuals	0–15	5.53	2.74	0.18	10.88	0.64	2.20	1.15	0.06	Sand clay loam
			15–30	5.00	3.41	0.68	2.26	0.42	1.38	0.64	0.04	Sand clay loam
		Eucalyptus	0–15	4.60	3.77	0.20	4.13	0.25	1.01	0.54	0.07	Sand clay loam
			15–30	4.83	3.67	0.19	4.70	0.28	1.56	0.78	0.05	Sand clay loam
		Perennials	0–15	6.43	5.82	0.26	4.09	1.18	8.01	3.17	0.06	Sand clay loam
			15–30	5.33	3.44	0.18	7.83	0.65	3.67	1.36	0.05	Sand clay loam
	Valley	Annuals	0–15	5.40	4.84	0.23	4.13	0.46	3.28	1.08	0.06	Sand clay loam
			15–30	5.40	2.16	0.12	7.54	0.40	1.93	1.00	0.04	Sand clay loam
		Eucalyptus	0–15	3.65	9.73	0.54	27.99	1.31	5.10	1.29	0.08	Sand clay loam
			15–30	4.15	10.3	0.39	5.71	0.94	2.96	1.81	0.94	Sand clay loam
		Perennials	0–15	6.10	2.41	0.15	9.64	0.47	3.30	1.38	0.03	Sand clay loam
			15–30	5.60	2.37	0.15	4.90	0.38	3.44	1.31	0.03	Sand clay loam
Critical value				5.5–6.5	>3	>0.22	>15	2–5	65–85	6–12	<1