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Table 10 Mean values of selected chemical characteristics of Nitisols (0–20 cm) as affected by land use

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

Soil property Intensive cereal system Agroforestry based system T value Sign
pH–H2O 5.29 6.12 −6.935 0.006
OC (%) 2.00 2.12 −0.620 0.579
Tot. N (%) 0.15 0.22 −4.217 0.024
C/N 18 10 2.600 0.080
AP (mg kg−1) 10.0 8 0.504 0.649
CEC and basic cations (cmol(+) kg−1):
 CEC 40 44 1.800 0.170
 Ca 14 16 −1.507 0.229
 Mg 6 15 −10.832 0.002
 Na 0.02 0.14 0.522 0.638
 K 1.60 3.0 −3.705 0.024
 PBS (%) 51 75 −6.937 0.006
Micronutrients (mg kg−1):
 Fe 37 97 −8.895 0.003
 Mn 39 68 −9.731 0.002
 Zn 3 13 −8.278 0.004
 Cu 2 3 −1.732 0.182