Table 3.

Physicochemical parameters of soil samples collected from Kakamega, Irangi, and Gazi Bay forests in Kenya.

	Kakamega				Irangi			Gazi Bay
	Kalunya grassland	Kalunya canopy	Buyangu canopy	Buyangu vegetation	Irangi grassland	Irangi vegetation	Irangi canopy	Gazi grassland	Gazi lowtide1	Gazi lowtide2	Gazi hightide	Gazi seagrass
pH	5.92	7.17	6.42	5.17	5.01	6.94	4.53	4.78	6.64	5.19	6.36	6.40
EC (mmhos/cm)	0.71	1.25	3.66	3.29	1.24	2.05	0.57	8.53	11.78	18.69	13.72	11.96
OC (%)	2.74	2.25	2.83	2.71	2.62	2.57	2.61	1.70	0.93	2.50	2.59	0.56
N (%)	0.24	0.25	0.25	0.29	0.24	0.28	0.29	0.19	0.12	0.23	0.28	0.07
P (ppm)	7.09	4.93	66.70	40.17	3.37	8.30	3.37	41.80	17.21	43.97	23.15	7.65
K (ppm)	189.45	114.54	297.77	416.63	194.09	262.86	207.55	286.22	283.45	636.57	494.32	443.05
Ca (ppm)	423.85	1697.03	4157.03	4422.94	302.79	612.34	560.32	3083.88	389.84	2325.84	2677.96	14213.24
Mg (ppm)	119.04	247.95	533.72	502.86	78.12	130.35	96.25	1008.53	549.82	2058.95	1348.84	879.94
Na (ppm)	70.88	129.06	104.76	64.31	80.12	64.77	175.97	2486.80	3121.09	9206.59	5714.60	4442.84
S (ppm)	11.70	22.29	32.06	54.56	45.29	70.74	74.67	280.63	371.05	1681.17	1070.32	867.41
Mn (ppm)	64.84	128.84	308.99	151.73	55.30	302.25	77.59	13.52	0.73	1.78	2.85	2.44
Cu (ppm)	1.51	2.51	3.18	0.93	0.36	0.91	0.58	0.64	0.10	15.27	0.05	1.14
Fe (ppm)	97.12	108.57	163.18	293.80	86.86	165.40	72.11	131.01	170.39	298.35	328.19	142.30
B (ppm)	14.91	14.86	14.85	15.41	14.30	14.53	14.74	20.32	20.25	35.71	28.05	21.36
Zn (ppm)	1.04	3.45	5.81	138.69	3.25	6.33	5.73	1.28	0.38	14.87	1.04	0.85
Texture	Sandy loam	Loam	Sand	Loamy sand	Sandy loam	Sand	Sandy loam	Sand	Sand	Loamy sand	Sandy loam	Sand

Means followed by the same letter are not significantly different at P ≤ 0.05. ∗∗∗P ≤ 0.001, ∗∗P ≤ 0.01 and ∗P ≤ 0.05 ns = not significant.