Characteristics of Nitisol profiles as affected by land use type and slope class in some Ethiopian highlands

Environmental Systems Research

Table 7 Mean values of physical and chemical characteristics of Nitisols (0–20 cm) as affected by land use

Soil property	Intensive cereal system	Agroforestry based system	T value	Sign.
Sand (%)	28	15	3.677	0.032
Silt (%)	26	18	−2.320	0.103
Clay (%)	46	67	−5.536	0.012
Bulk density (g cm⁻³)	1.2	1.1	1.163	0.329
Particle size fractions (%)
Coarse sand	43	19	6.453	0.008
Medium sand	41	16	4.494	0.021
Fine sand	30	39	−3.307	0.045
Coarse silt	59	30	7.769	0.004
Medium silt	38	17	3.859	0.031
Fine silt	21	42	−3.23	0.045
Water stable aggregates	79	87	−3.068	0.055
Water holding capacity w/w, %):
FC (1/3 bar)	35	37	−1.424	0.250
PWP (33 bar)	23	24	−0.132	0.903
AWC (mm/m)	112	135	−9.000	0.003