From: Effect of foliar application of boron trioxide and zinc oxide nanoparticles on leaves chemical composition, yield and fruit quality of Olea europaea L. cv. Picual
Parameters
Values
pH
7.49
EC(dSm-1)
4.40
Soluble cations (meq/l)
Ca++
7.50
Mg++
5.00
Na+
33.1
K+
0.16
Soluble anions (meq/l)
HCO3−
1.60
Cl−
40.00
SO4−2
4.16