T/CDNX 003-2020 Active Group standards

T/CDNX 003-2020 Selenium-enriched tomato cultivation technical specifications

Publish Date: 2020-05-05 Implement Date: 2020-05-27 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CDNX 003-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Fruit and vegetable cultivation and products

ICS Name: Plant cultivation

Publish Date: 2020-05-05

Implement Date: 2020-05-27

Scope

Scope: This standard specifies the technical content of selenium-enriched tomato cultivation, including terms and definitions, site environment, cultivation techniques, selenium enrichment technology, timely harvesting, and file management. This standard applies to selenium-enriched tomato cultivation. Main technical content: 3. Terms and definitions The following terms and definitions apply to this standard. 3.1 Selenium-enriched tomato A tomato fruit with a selenium content of 0.15mg/kg to 0.50mg/kg in dry weight, where the content of selenocysteine (the sum of selenomethionine, selenocysteine, and selenomethylselenocysteine) accounts for more than 65% of the total selenium content, obtained through natural selenium enrichment or primarily natural selenium enrichment supplemented with selenium bio-nutrition techniques, rather than adding selenium after harvest or during processing. [GH/T 1135-2017, Selenium-enriched Agricultural Products 3.1] 3.2 Selenium bio-nutrition enrichment technology A technology that increases the organic selenium content of agricultural products through the application of nationally registered selenium fertilizers or selenium soil conditioners and biological conversion. [GH/T 1135-2017, Selenium Bio-nutrition Enrichment Technology 3.1] 4. Site environment The base should be located in areas with selenium-rich soil, and the site environment should comply with the requirements of NY/T 391. 5. Cultivation techniques 5.1 Variety selection Select high-quality, high-yielding, and resistant varieties. The seed quality should comply with the requirements of GB/T 16715.3. 5.2 Field management Techniques such as seedling cultivation, tillage and fertilization, timely transplanting, reasonable planting density, fertilizer and water management, and pest and disease control can be implemented according to local practices. 5.3 Fertilizer application Fertilizer application should comply with the requirements of NY/T 39