T/CDNX 005-2020 Active Group standards

T/CDNX 005-2020 The Se-rich cultivation technical specification for cowpea

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 005-2020

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 terminology and definitions, production environment, cultivation techniques, selenium-enrichment techniques, timely harvesting, and file management for selenium-enriched cowpea cultivation. This standard applies to selenium-enriched cowpea cultivation. Main technical content: 4. Production environment: The base should be selected in areas with selenium-rich soil, and the production environment should comply with the provisions of NY/T 391. 5. Cultivation techniques: 5.1 Variety selection: Select varieties with high quality, high yield, and strong resistance. The seed quality should comply with the provisions of GB 4404.2. 5.2 Field management: Techniques such as cultivating strong seedlings, tillage 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 control: Chemical pest control should comply with the provisions of NY/T 393. 6. Selenium-enrichment techniques: 6.1 Selenium supplementation principle: When the selenium content in cowpea fruits produced naturally does not meet the requirements of GH/T 1135, selenium can be supplemented through artificial techniques. 6.2 Selenium fertilizers should be selected from nationally registered selenium fertilizers or selenium soil conditioners. 6.3 Selenium supplementation methods: Leaf surface supplementation and rhizosphere supplementation. One or both 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 during the budding stage, flowering stage, and early fruit stage, and supplement once every two harvests. Spray the selenium solution evenly at a rate of 450