Table 5. List of commonly used
organic manures used in mrigal/carp culture and their average elemental |
Type of fertilizers |
C:N ratio |
Nitrogen (N) |
Phosphorus (P) |
Potassium (K) |
FAECES/DUNG |
|
|
|
|
Buffalo |
19 |
1.23 |
0.55 |
0.69 |
Cattle |
19 |
1.91 |
0.56 |
1.4 |
Sheep |
29 |
1.87 |
0.79 |
0.92 |
Pig |
13 |
2.8 |
1.36 |
1.18 |
Poultry |
9 |
3.77 |
1.89 |
1.76 |
Duck |
10 |
2.15 |
1.13 |
1.15 |
URINE |
|
|
|
|
Buffalo |
|
2.05 |
0.01 |
3.78 |
Cattle |
|
9.74 |
0.05 |
7.78 |
Sheep |
|
9.9 |
0.1 |
12.31 |
Pig |
|
10.88 |
1.25 |
17.86 |
PLANT MANURES |
|
|
|
|
Wheat straw |
105 |
0.49 |
0.11 |
1.06 |
Rice straw |
105 |
0.58 |
0.1 |
1.38 |
Maize straw |
55 |
0.59 |
0.31 |
1.31 |
Soybean straw |
32 |
1.3 |
|
|
Cotton stalks and leaves |
|
0.88 |
0.15 |
1.45 |
Cottonseed meal |
|
7.05 |
0.9 |
1.16 |
Groundnut straw |
19 |
0.59 |
|
|
Groundnut hulls |
|
1.75 |
0.2 |
1.24 |
Bean straw |
|
1.57 |
0.32 |
1.34 |
Sugarcane trash |
116 |
0.35 |
0.04 |
0.5 |
Grass |
20 |
0.41 |
0.03 |
0.26 |
Green weeds |
13 |
2.45 |
|
|
Groundnut leaves |
|
2.56 |
0.17 |
2.11 |
Tree leaves (general) |
|
|
|
|
AQUATIC PLANTS� |
|
|
|
|
Water hyacinth |
18 |
2.04 |
0.37 |
3.4 |
Water fern (Azolla sp.) |
|
3.68 |
0.2 |
0.15 |
Duckweed (Lemna sp.) |
|
3.31 |
0.2 |
0.69 |
Hornwort (Ceratophyllum) |
|
3.3 |
0.47 |
5.9 |
Hydrilla |
|
2.7 |
0.28 |
2.9 |
OILSEED CAKES |
|
|
|
|
Mustard |
|
4.93 |
0.53 |
0.65 |
Sesame |
|
6.12 |
0.92 |
1.04 |
Linseed |
|
5.48 |
0.6 |
0.99 |
Soybean |
|
6.95 |
2.88 |
1.02 |
Cotton seed |
|
|
|
|
ANIMAL/PLANT (MIXED) MANURES |
|
|
Rice straw bedding |
|
1.06 |
0.27 |
2 |
Wheat straw bedding |
|
1.09 |
0.17 |
1.4 |
Litter bedding |
|
1.13 |
0.2 |
2.03 |
Straw |
|
0.62 |
0.21 |
0.49 |
Rural compost (general) |
|
1.1 |
0.29 |
1.37 |
RAW MATERIAL |
|
|
|
|
Straw |
|
1.31 |
0.19 |
7.81 |
Cow manure |
|
0.37 |
0.1 |
0.08 |
Pig manure |
|
0.68 |
0.13 |
0.05 |
Mixed crop residues |
|
0.91 |
0.2 |
1.62 |
Buffalo manure |
|
0.44 |
0.14 |
0.11 |
Data source: Adapted from Tacon (1987) |
|
|
|
|
|