Source of Variation

df

Soil N

Soil P

Soil K

Soil Zn

Soil Cu

Soil Fe

Soil Mn

p-value

Kilombero-Fertility management

2

0.0102*

0.0016*

ns

0.0002*

0.0366*

ns

ns

Hombolo-Fertility management

2

0.0103*

0.0223*

ns

0.0005*

0.0009*

ns

ns

Ihumwa-Fertility management

2

ns

ns

0.0034*

ns

0.0164*

0.0004*

0.0120*