Table 5 The pH, titratable acidity, acid-buffering capacity, titratable alkalinity, base-buffering capacity, and acid–base buffering capacity (mEq × 10^–3) of some leaves

6.03^b

5.92^c

5.87^c

5.26^f

5.71^d

6.29^a

5.57^e

0.02

 < 0.001

172.75^b

164.75^b

148.00^c

136.75^d

152.25^c

258.75^a

127.25^d

2.25

 < 0.001

85.13^bcd

85.69^bc

79.31^d

108.17^a

88.77^b

113.13^a

81.05^cd

1.30

 < 0.001

271.25^a

228.50^cd

215.50^de

241.75^bc

247.50^b

204.75^e

231.25^bcd

4.11

 < 0.001

84.70^a

68.36^bc

63.76^cd

60.48^d

67.99^bc

70.60^b

63.48^cd

1.17

 < 0.001

169.83^b

154.05^cd

143.07^e

168.65^b

156.77^c

183.73^a

144.54^de

2.24

 < 0.001