Table 4 Correlations coefficients (r) between soil pH, soil chemical properties and plant tissue nutrients content in Meru region.

From: Assessment of soil fertility and potato crop nutrient status in central and eastern highlands of Kenya

Tissue nutrient

Soil nutrients

Soil pH

N

P

K

Ca

S

Mg

Zn

B

Cu

N

−0.02

0.22*

0.10

0.03

0.08

0.19

−0.07

−0.05

0.08

−0.08

P

0.37*

−0.01

0.49*

0.25*

0.31*

0.02

0.20*

0.04

0.18

−0.40*

K

0.20*

−0.27*

0.22*

0.32*

0.01

−0.23*

0.05

0.08

0.01

−0.12

Ca

0.27*

0.49*

0.13

0.01

0.49*

0.33*

0.07

0.08

0.34*

−0.40*

S

0.10

−0.14

0.11

0.01

−0.02

−0.10

0.13

−0.13

−0.07

−0.13

Mg

−0.21*

0.20*

−0.23*

−0.31*

−0.06

0.29*

−0.01

−0.15

0.03

0.30*

Zn

−0.09

−0.06

−0.08

−0.09

−0.11

0.01

−0.12

0.09

−0.03

0.06

B

−0.21*

−0.39*

−0.22*

−0.05

−0.36*

−0.06

−0.25*

0.06

−0.23*

0.26*

Cu

−0.30*

−0.59*

−0.24*

−0.18

−0.52*

−0.19

−0.09

−0.41*

−0.40*

0.44*

  1. *level of significant P < 0.05.
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