Soil amendments

Initial soil organic matter (%)

Final soil organic matter (%)

% change

In SOM

NPK 15:15:15 (400 kg/ha)

Chromoleana (10 t/ha)

Chromoleana (7 t/ha + 120 kg/ha NPK)

Parkia (10 t/ha)

Parkia (7 t/ha + 120 kg/ha NPK)

Neem seed cake (10 t/ha)

Neem seed (7 t/ha + 120 kg/ha NPK)

Cow dung (10 t/ha)

Cow dung (7 t/ha + 120 kg/ha NPK)

Poultry dung (10 t/ha)

Poultry dung (7 t/ha + 120 kg/ha NPK)

Melon shell (10 t/ha)

Melon shell (7 t/ha + 120 kg/ha NPK)

Unamended control

SE (27 df)

LSD (0.05)

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

1.93

--

--

2.43

3.18

3.82

2.92

3.02

2.92

2.73

3.05

3.15

3.96

4.01

2.47

2.06

2.01

0.13

0.18

0.49

1.25

1.89

0.99

1.09

0.99

0.80

1.12

1.22

2.03

2.08

0.54

0.13

0.08

0.05

0.07