Chemical parameters

Poultry manure

Cow dung

Chromoleana shoot

Parkia leaves

Neem seed cake

Mellon shell

LSD (0.05)

Organic carbon (%)

38.4

43.4

51.9

54.0

54.2

56.1

4.3

Total N (%)

3.6

2.8

4.2

3.1

2.1

1.9

0.7

C: N

10.7

15.9

12.6

17.7

25.5

28.3

4.2

Phosphorous (%)

1.3

1.1

1.3

1.0

1.3

0.6

0.4

Potassium (%)

3.1

0.8

1.5

2.1

1.9

0.5

0.6

Calcium (%)

1.2

1.2

1.1

1.0

1.0

0.6

0.4

Magnesium (%)

0.3

0.2

0.7

0.2

0.1

0.4

0.3