T/CDNX 027-2020 Active Group standards

T/CDNX 027-2020 Seed-rich broccoli cultivation technical regulations

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 027-2020

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, site environment, cultivation techniques, selenium-enrichment techniques, timely harvesting, and file management for the selenium-enriched cultivation of cabbage heads. This standard applies to the selenium-enriched cultivation of cabbage heads. Main technical content: 5. Cultivation techniques 5.1 Variety selection: Select varieties with high quality, high yield, and strong resistance, and the seed quality shall comply with the provisions of GB 16715.4. 5.2 Field management: Cultivate strong seedlings, till the soil and apply fertilizer, transplant in time, plant at a reasonable density, manage fertilization and irrigation, and control diseases, pests, and weeds in accordance with the provisions of GB/Z 26582, or refer to local field management techniques. 5.3 Fertilizer application: Fertilizer application shall comply with the provisions of NY/T 394. 5.4 Chemical control of diseases and pests: Chemical control shall comply with the provisions of NY/T 393. 6. Selenium-enrichment techniques 6.1 Principle of selenium supplementation: When the selenium content in the leaf heads of cabbage heads produced naturally does not meet the requirements of GB/T 1135, selenium supplementation can be carried out through artificial techniques. 6.2 Selenium fertilizers used for selenium supplementation shall be selected from nationally registered selenium fertilizers or selenium soil conditioners. 6.3 Supplementation methods: Leaf surface supplementation and rhizosphere supplementation. A supplementation method can be selected according to actual production needs, or a combination of the two methods can be used. 6.3.1 Leaf surface supplementation: Prepare a selenium solution with a concentration of 70mg/kg to 120mg/kg. Supplement selenium once when the seedlings reach a height of 10cm to 13cm, and spray 230kg to 300kg of selenium solution per hectare. Supplement selenium once each during the rosette s