Location

Zai depth (cm)

Soil Inorganic N (mg∙Kg⁻¹)

MSD

Manure

No Manure

Machakos

0

1.69^a*

0.68^a+

0.17

30

1.77^a*

0.94^b+

0.32

45

1.98^b*

0.95^b+

0.14

60

1.78^a*

0.76^a+

0.10

MSD (Minimum Significant difference)

0.11

0.12

Naivasha

0

1.08^e*

0.20^a+

0.20

30

0.95^e*

0.43^b+

0.29

45

1.51^f*

0.23^a+

0.12

60

0.98^e*

0.23^g+

0.04

MSD

0.22

0.09