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A method for planting aquatic plants in strips in crab and shrimp culture ponds

A planting method and block-type technology, which is applied in the field of aquatic weed block-type planting in crab and shrimp breeding ponds, can solve the problems of hypoxia feeding, the influence of crab and shrimp culture, and the high planting density of aquatic plants, so as to improve the environment and promote the development of shrimp and crab. effect of growth

Active Publication Date: 2016-03-02
严爱平
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are generally irrational layout problems in the planting of aquatic plants in crab ponds in the main crab and shrimp breeding areas in my country. The main manifestations are: the planting density of aquatic plants is too high, there is no feeding area and high dissolved oxygen area, and hypoxia and inconvenient feeding are prone to occur. Great impact on crab and shrimp farming

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The present invention is further described below by specific embodiment:

[0021] A strip-type planting method for aquatic plants in crab and shrimp ponds, comprising the steps of:

[0022] (1) After the clear pond is disinfected at the end of the year, the water in the pond is drained, the fields are dried and frozen, and the grass-planting area and non-grass-planting area are demarcated.

[0023] (2) Apply fermented and decomposed organic fertilizer 150-200kg and superphosphate 15-20kg per 667㎡ in the grass planting area, and use a rotary tiller for deep plowing with a thickness of 10-15cm.

[0024] (3) Before and after the Qingming Festival, aquatic plants were planted in the purse net after the paddy was filled with water. The commonly used submerged aquatic plants in crab and shrimp ponds mainly include Hydrilla verticillium (also known as Budapest), Elodea, and Erythrina (also known as flat grass, noodle grass, etc.) ) three kinds. Generally, crab ponds can only...

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Abstract

The invention discloses a strip planting method of aquatic plants in a crab-shrimp culture pond. The method includes: clearing and sterilizing a pond, designating an aquatic plant area and a non-aquatic-area area, applying fertilizers in the aquatic plant area by deep tillage, fencing a bottom compact field, planting aquatic plants, reasonably managing the aquatic plants, and removing a fence. The strip planting method of aquatic plants in the crab-shrimp culture pond has the advantages that growth characteristics of the shrimp and crab and growth habits of different aquatic plants are combined, the functions of the aquatic plants in improving environment and promoting growth of the shrimp and crab are given to maximum play, and yield of the shrimp and crab can be increased by 5-10%.

Description

technical field [0001] The invention relates to the field of aquaculture, in particular to a method for planting aquatic plants in strips in crab and shrimp culture ponds. Background technique [0002] Planting grass to cultivate crab and shrimp is the main mode of crab and shrimp cultivation in my country at present. The growth of aquatic plants directly affects the quality and output of shrimp and crab. At present, there are generally irrational layout problems in the planting of aquatic plants in crab ponds in the main crab and shrimp breeding areas in my country. The main manifestations are: the planting density of aquatic plants is too high, there is no feeding area and high dissolved oxygen area, and hypoxia and inconvenient feeding are prone to occur. It has a great impact on crab and shrimp farming. The present invention adopts the method of planting aquatic plants in strips on the flat field at the bottom of the crab pond, and sets up aquatic plant areas and grass-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G31/00
Inventor 严爱平石小平汤红兵钱根宝
Owner 严爱平