Table 1: Chemical and physical characteristics soils cultivated for vegetable (SHC) and tomato (STC) production and of forest soil (SMS).

ParametersSMSSHCSTC

pH (in CaCl2)4.85.65.9
Organic matter (g dm3(−1))505624
P (mg dm3(−1))14280200
K (mmolc dm3(−1))1.65.03.9
Ca (mmolc dm3(−1))318359
Mg (mmolc dm3(−1))121540
H + AL (mmolc dm3(−1))523115
CEC (mmolc dm3(−1))97134118
Textural classSilty claySilte claySilte clay

CEC: cation exchange capacity.