A kind of acid treatment type laver full-floating cultivation method

A culture method and acid treatment technology, which is applied in the field of acid-treated laver full-floating culture, can solve the problems of short culture cycle, algae attachment on net curtains, and affecting the quality of laver, and achieve low work intensity, short harvest intervals, and long-term growth. long term effect

Active Publication Date: 2016-06-22
LIANYUNGANG MARINE & FISHERY SCI RES INSTION
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AI Technical Summary

Problems solved by technology

Since it cannot be dried, it is prone to problems such as the attachment of algae to the net curtain, the attachment of diatoms to the leaves, affecting the quality of laver, and the short breeding cycle.

Method used

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Embodiment Construction

[0022] An acid treatment type laver full-floating culture method,

[0023] 1) Make acid

[0024] (1) The acid used is an organic acid, industrial waste acid is not allowed, formic acid or citric acid is generally used;

[0025] (2) Add about 10cm of seawater to the working boat, pour the acid into the seawater according to the mass ratio of 3%-10%, test the pH value of the acid solution with pH test paper, and adjust the pH value of the acid solution to 2.0-2.4;

[0026] (3) Due to the thin water quality in some sea areas, nitrogen or phosphorus fertilizers are added at a mass ratio of 5-30%;

[0027] 2) soaking or spraying

[0028] (1) Use the soaking method, the method is as follows: soak the laver net curtain into the acid solution for 8-10 seconds, and then put the net curtain into seawater for deacidification;

[0029] Or use the spray soaking method, the method is as follows: use laver acid treatment equipment to spray and soak the laver net curtain for 8-10 seconds; ...

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Abstract

An acid-treated laver full-floating culture method uses the strong drying resistance of laver, uses organic acid and adds nitrogen fertilizer or phosphate fertilizer in an appropriate amount, and acid soaks or sprays the laver seedling net to remove miscellaneous algae and diatoms The effect is equivalent to that achieved by physical drying. Compared with ordinary laver full-floating culture, this acid-treated laver full-floating culture has the following advantages: no miscellaneous algae erosion, no diatom-free algae, high quality; long growth period. Compared with ordinary seaweed cultivation with stick rods, it has the following advantages: the output is about 20% higher, the harvesting interval is short, and the work intensity is low. Compared with semi-floating laver farming: laver farming can be carried out in deep waters with high yield.

Description

technical field [0001] The invention relates to a laver cultivation technology, in particular to an acid treatment type laver full-floating cultivation method. Background technique [0002] There are two main cultivation methods of seaweed cultivation, which are rod insertion type and semi-floating type. The specific features are as follows: [0003] Porphyra cultivation is also known as pillar-type raft cultivation. Porphyra is used to dry laver. Compared with full-floating cultivation, the cultivation water is deeply limited, only 3-8 meters; the quality is better. It is one of the current mainstream farming methods. [0004] Porphyra semi-floating culture, also known as semi-floating raft culture, refers to the cultivation of laver in the intertidal zone. It is characterized by floating on the water surface during high tide and drying out during ebb tide. The cultivation is limited by the area and location of the tidal flat, and the quality is better. It is one of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G33/02
Inventor 伏光辉陈百尧安健孙苗苗龚琪本唐兴本
Owner LIANYUNGANG MARINE & FISHERY SCI RES INSTION
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