Role of Acacia seyal on Selected Soil Properties and Sorghum Growth and Yield: A Case Study of Guba Lafto District, North Wollo, Ethiopia

Table 3

Mean values (±SD) of selected soil chemical parameters under soils in different distances from trees and two soil depths in Acacia seyal parkland system.

Soil properties	Soil depth	Distance from tree				value
		Near tree bole	Under canopy	Edge of canopy	Far from canopy
pH	1	6.3^a ± 0.21	6.27^a ± 0.16	6.25^a ± 0.19	6.25^a ± 0.29	0.99
	2	6.25^a ± 0.19	6.25^a ± 0.21	6.22^a ± 0.25	6.27^a ± 0.24	0.98
EC (ds/m)	1	0.063^a ± 0.018	0.053^a ± 0.013	0.048^a ± 0.011	0.051^a ± 0.013	0.19
	2	0.077^a ± 0.02	0.053^a ± 0.02	0.054^a ± 0.01	0.069^a ± 0.02	0.13
P (ppm)	1	23.81^a ± 2.92	24.52^a ± 3.40	24.16^a ± 2.56	24.73^a ± 4.28	0.66
	2	26.18^a ± 4.72	23.71^a ± 3.26	24.84^a ± 4.39	25.91^a ± 4.9	0.75
OC (%)	1	0.66^a ± 0.23	0.59^a ± 0.15	0.66^a ± 0.15	0.63^a ± 0.17	0.91
	2	0.59^a ± 0.19	0.65^a ± 0.12	0.5^a ± 0.199	0.66^a ± 0.21	0.4
TN (%)	1	0.15^a ± 0.04	0.13^a ± 0.02	0.11^a ± 0.06	0.10^a ± 0.05	0.26
	2	0.18^a ± 0.09	0.13^ab ± 0.04	0.14^ab ± 0.029	0.09^b ± 0.032	0.03^∗
CEC (meq/100 g soil)	1	39.0^a ± 14.78	49.0^a ± 4.17	42.2^a ± 10.22	45.27^a ± 3.98	0.33
	2	37.0^a ± 15.9	47.3^a ± 6.92	43.03^a ± 4.74	48.27^a ± 3.88	0.17

Rows with the same superscript letters are not significantly different at ; soil depth with 1and 2 represents 0–20 cm and 20–40 cm, respectively.