Table 4. Fertilization table for
silver carp stocking in pond |
|
|
Basal
fertilizer |
After
stocking |
(kg/ha) |
(kg/ha) |
Larvae |
Organic fertilizer+soybean slurry |
3-4 days before stocking |
Soybean slurry: 15-45 kg/d |
(<1.6�2.3cm) |
Grass: 3 000�3 750 |
|
Animal manure: 1 875�2 250 |
|
Inorganic fertilizer |
20 days before stocking |
Once every 2�3 days |
ammonium
sulphate: 37.5�75 |
mmonium sulphate: 22.5 |
Cacium
superphosphate: 37.5 |
Cacium superphosphate: 3.75 |
|
(Should be dissolved
completely before fertilizing) |
|
Total fertilizer should be
around 487.5 kg mmonium sulphate and 337.5kg cacium superphosphate |
|
Animal manure |
7 days before stocking |
3 days after stocking |
11
250 |
900 kg/ha |
|
4�5 days after stocking:
150 kg/ha/d |
|
|
|
Soybean slurry |
No fertilizer |
2�3 hr after stocking |
22.5�30
kg soybean |
Fingerling |
|
|
Once every 7�10days |
(<
3.3�5 cm) |
1 500 kg grass manure |
|
Soybean 1.5�2kg/10 000
fingerlings and increase to 2.5�4 kg |
Data source: Cai (1987) |
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