GB/T 35899-2018Pyropia yezoensis -- Technical protocols for seedling cultivation (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

February 6, 2018

Implementation date

September 1, 2018

Scope

GB/T 35899-2018 (Pyropia yezoensis -- Technical protocols for seedling cultivation) is available as an English-translated PDF.

GB/T 35899-2018 — This standard stipulates the terms and definitions of marine emergence of Pyropia yezoensis (Pyropiayezoensis), environmental conditions, cultivation facilities, transportation Hang and nurture management. This standard applies to semi-floating oyster cultivation of seaweed, Porphyra yezoensis, sea seedling cultivation.

Document preview — GB/T 35899-2018

National Standard of the People's Republic of China

ICS: 65.150
Classification: B 51

Issued by: State Administration for Market Regulation, China National Standardization Administration

Foreword
1 Scope
2 Normative references
3 Terms and Definitions
4 Environmental conditions
4.1 Substrate
4.2 Tide level
4.3 Water quality
4.4 Nutrients and Flow Rates
4.5 Salinity

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard stipulates the terms and definitions of marine emergence of Pyropia yezoensis (Pyropiayezoensis), environmental conditions, cultivation facilities, transportation

Hang and nurture management.

This standard applies to semi-floating oyster cultivation of seaweed, Porphyra yezoensis, sea seedling cultivation.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article

Pieces. For undated references, the latest version (including all amendments) applies to this document.

GB 3097 seawater quality standard

GB/T 35907-2018 Porphyra yezoensis Refrigerated Net Operation Technical Specifications

3 Terms and Definitions

The following terms and definitions apply to this document.

3.1

Seedling stage seedlingstage

The stage of seedlings visible from the sea under the net of the shell spore seedlings to the naked eye.

4 Environmental conditions

4.1 Substrate

Cultivating the bottom of the sea area should be sandy or silty with flat beach surface.

4.2 Tide level

Should choose to cultivate net curtain in the tide can dry out 4h ~ 5h beach.

4.3 Water quality

Meet the requirements of GB 3097.

4.4 Nutrients and Flow Rates

The sea area with a total nitrogen content of.200 mg/m3 or more and a seawater flow rate of 0.3 m/s to 0.5 m/s is suitable.

4.5 Salinity

20~30.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 35907-2018Pyropia yezoensis—Technical protocols for seedling nets refrigeration

GB 3097

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