Table 5 Correlations coefficients (r) between pH, soil chemical properties and plant tissue nutrients content in Nyandarua 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

−0.46*

−0.11

−0.22*

−0.38*

−0.26*

−0.07

−0.1

−0.18

−0.28*

0.29*

P

0.13

−0.18

0.41*

0.25*

0.16

−0.07

0.05

0.10

0.02

−0.09

K

0.40*

0.09

0.25*

0.57*

0.22*

0.16

0.27*

0.21

0.25*

−0.14

Ca

0.13

0.26*

0.12

−0.15

0.21

0.11

0.05

0.16

0.23*

−0.17

S

0.11

0.11

−0.03

0.07

0.04

−0.01

0.05

0.24*

0.02

−0.14

Mg

−0.30*

0.24*

−0.17

−0.49*

−0.1

−0.11

0.07

0.04

−0.07

0.12

Zn

−0.07

0.03

−0.22*

0.07

−0.1

−0.12

−0.04

−0.07

−0.09

0.04

B

0.34*

0.10

0.24*

0.25*

0.21

0.08

0.10

0.22*

0.19

−0.24*

Cu

−0.24*

−0.37*

−0.30*

−0.16

−0.30*

−0.33*

−0.18

−0.20

−0.37*

0.29*

  1. *Level of significant P < 0.05.
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