T/CDNX 016-2020 Active Group standards

T/CDNX 016-2020 The Selenium-enriched Cultivation Technical Regulations for Radish

Publish Date: 2020-05-06 Implement Date: 2020-05-28 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 016-2020

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: 2020-05-06

Implement Date: 2020-05-28

Scope

Scope: This standard specifies the terms and definitions, production site environment, cultivation techniques, selenium-enrichment technologies, timely harvesting, and file management for the cultivation of selenium-enriched radishes. This standard applies to the cultivation of selenium-enriched radishes. Main technical content: 5. Cultivation techniques 5.1 Variety selection: Select varieties with high quality, high yield, and strong resistance. 5.2 Field management: Techniques such as seedling cultivation, land preparation and fertilization, timely transplanting, reasonable planting density, fertilizer and water management, and pest and disease control can be implemented according to local field management techniques. 5.3 Fertilizer application: Fertilizer application should comply with the provisions of NY/T 394. 5.4 Chemical pest and disease control: Chemical control should comply with the provisions of NY/T 393. 6. Selenium-enrichment technologies 6.1 Selenium supplementation principles: When the selenium content in the fleshy root of radishes produced naturally does not meet the requirements of GH/T 1135, selenium can be supplemented through artificial techniques. 6.2 Selenium supplementation fertilizers: Selenium fertilizers or selenium soil conditioners registered by the state should be selected. 6.3 Supplementation methods: Leaf surface supplementation and rhizosphere supplementation. One or both supplementation methods can be selected according to actual production needs. 6.3.1 Leaf surface supplementation: Prepare a selenium solution with a concentration of 70mg/kg to 120mg/kg. Supplement selenium once each at the budding stage, flowering stage, and fleshy root enlargement stage, with 450kg to 600kg of selenium solution evenly sprayed per hectare. Require that both sides of the leaf be sprayed with selenium solution until no water droplets remain. Selenium should be applied on cloudy days or after 4 PM on sunny days. The selenium solution concentration