Fuzzy Logic Expert System for Classifying Solonchaks of Algeria

Table 1

Characteristics of diagnostic horizons of studied Solonchaks.

Parameters	Minimum	Maximum	Mean	SD	CV (%)
pH	7	8.9	7.83	0.3	4
ECe (dS/m) at 25°C	15	96	30	17	56
Calcium carbonate equivalent (%)	1	67	23	13	56
Gypsum (%) (by mass)	0	73	9	10	115
E (cm)	15	1.5	69	38	55

Note. E: thickness of the diagnostic horizons; EC_e: electrical conductivity; SD: standard deviation; CV: coefficient of variation.