Fuzzy Logic Expert System for Classifying Solonchaks of Algeria

Table 4

Characteristics of Solonchaks 15, 126, and 78.

Parameters	Soil 15	Soil 126	Soil 78
pH	8.6	7.5	7.6
ECe (dS/m)	23	15	15
Calcium carbonate equivalent (%)	67	67	22
Secondary carbonate (%) by volume	20	25	1
Gypsum (%) by mass	5	8	58
E (cm)	70	40	100

Note. E: thickness of the diagnostic horizons; EC_e: electrical conductivity.