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Table 3 Concentration of K+ and Na+ (mol/m3) required for the evaluation of K/Na ratio in the external media

From: In vitro response of date palm (Phoenix dactylifera L.) to K/Na ratio under saline conditions

(Na + K) Cl concentration (mol/m3)

K/Na ratio

0.0

0.5

1.0

10

 K+

0

3.33

5

 Na+

10

6.67

5

50

 K+

0

16.7

25

 Na+

50

33.3

25

100

 K+

0

33.3

50

 Na+

100

66.7

50

200

 K+

0

66.7

100

 Na+

200

133.3

100

  1. (K and N) were supplied as KCl and NaCl, respectively