From: Effect of soil application of humic acid and bio-humic on yield and fruit quality of “Kalamata” olive trees
pH
7.49
EC(dSm−1)
4.40
Soluble cations (meq/l)
Ca++
7.50
Mg++
5.00
Na+
33.10
K+
0.16
Soluble anions (meq/l)
CO3=
–
HCO3−
1.60
Cl−
40.00
SO4=
4.16