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Cultivation of prawn by sodium chloride I-shaped saline-alkali water

A sodium chloride, saline-alkali water technology, used in applications, chemistry, fish farming, etc.

Inactive Publication Date: 2007-11-21
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the influence of sodium chloride type I saline-alkali water quality on cultured objects, and solves the problem of large-scale culture of prawns in sodium chloride type I saline-alkali water quality

Method used

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Embodiment Construction

[0006] The present invention comprises the use of sodium chloride type I water, prawn seedlings, mud sand or sand mud bottom culture ponds, fertilizer water (bait biological cultivation), feed, water body oxygenation, and the minimum water temperature of sodium chloride type I water is not less than 18°C. The maximum temperature is not more than 34°C, and the suitable water temperature is 23-32°C; the salinity is 0.5‰-40‰, and the maximum change at a time does not exceed 3‰; the pH value is 7.6-9.0, and cannot be higher than 8.8 for a long time; the dissolved oxygen value of the water body is greater than 5.0mg / L; chemical oxygen consumption 5-30mg / L; transparency 0.40-0.60 meters; water color is preferably green or brown-green; phosphate 0.1-0.3mg / L, ammonia nitrogen less than 0.4mg / L; heterotrophic bacteria: 10 3-4 cell / ml; carbonate alkalinity does not exceed 10me / L;

[0007] The area of ​​the breeding pond is about 0.33-0.66 hectares. It is rectangular, with an aspect r...

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PUM

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Abstract

The invention is concerned with the method that uses sodium chloride I type of saline water to breed prawn, includes the prawn seed, the culture pond with sand and mud, the fertilizer water, the bait casting, and the increasing oxygen for water, the characteristic is: uses sodium chloride I type water as the breeding water, the temperature of the water is 18 centigrade to 34 centigrade, the salinity is 0.5 per mill to 40 per mill , the pH value is 7.6 to 8.6, the alkalinity of the carbonate is under 10me / L; sterilizes the breeding pond by calces; filters the inputting water by the 60 bolting silk; the seedling quantity is 60 thousand to 90 thousand per hectare; puts the industrial calcium chloride in the pond every ten days when the pH value of the water quality is under 8.6, namely 75 - 120 kg per hectare; puts the industrial hydrochloric acid in the pond when the alkalinity of the carbonate is over 10me / L, namely 150 - 300 kg per hectare, puts 50 kg calcium chloride in the pond next day.

Description

Technical field: [0001] The invention relates to a method for cultivating prawns in sodium chloride type I saline-alkali water quality. Background technique [0002] China is rich in saline-alkali waters, mainly concentrated in the northwest, north, northeast, the Yellow River Basin, and the area north of the Yangtze River. Due to the diversity and complexity of saline-alkali water quality, for a long time, the development and utilization of saline-alkali waters has been limited to some sodium chloride type III water with low carbonate alkalinity concentration. Most saline-alkali waters, especially carbon Type I saline-alkali water quality with higher salinity and alkalinity has not been utilized by people. Saline-alkali water quality Sodium chloride type I water main cation (Na + 、K + , Ca 2+ , Mg 2+ ) in Na + The content is higher than other cations, main anions (Cl - , SO 4 2- 、HCO 3 - +CO 3 2- ) in Cl - Higher than other anions, HCO 3 - or CO 3 2- Conte...

Claims

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Application Information

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IPC IPC(8): A01K61/00A01K63/04A01K63/00A61L2/16
CPCY02A40/81
Inventor 王慧来琦芳
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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