T/CDNX T/CDNX001-2021 Active Group standards

T/CDNX T/CDNX001-2021 Regenerative rice cultivation technical specifications for Changde area

Publish Date: 2021-10-15 Implement Date: 2021-10-25 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 T/CDNX001-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Integrated agriculture and forestry

ICS Name: Terminology (principles and coordination and cooperation)

Publish Date: 2021-10-15

Implement Date: 2021-10-25

Scope

Scope: This document specifies the terms and definitions of regenerative rice, environmental requirements of the production area, variety selection, cultivation of first-season rice, cultivation of regenerative rice, and file management. This document is applicable to the cultivation of regenerative rice in Changde City. Main technical content: 4. The environmental conditions of the production area shall comply with the requirements of NY/T 391. 5. Variety selection: Choose rice varieties with strong regenerative ability, resistance to diseases and pests, resistance to lodging, high temperature tolerance, excellent quality, and high yield. The seed quality shall meet the standards of GB 4404.1. 6. Cultivation of first-season rice 6.1 Cultivation of strong seedlings 6.1.1 Preparation of seedbeds: The seedbeds shall have good drainage and fertile soil. Organic fertilizer shall be applied 2 months before sowing, with 30 t/hm2 of composted farmyard manure; chemical fertilizer shall be applied 3 days before sowing, with 600 kg/hm2 of 45% nitrogen-phosphorus-potassium triple compound fertilizer. The ratio of seedbeds to main fields is 1:20 for transplanting, 1:80 for machine transplanting, and 1:6 for manual transplanting. 6.1.2 Seed treatment: Soak the seeds in water for 12–24 hours with 25% imidacloprid emulsion or Strong Chlorine according to the recommended dosage before sowing. After removing and washing the seeds, soak them again to stimulate germination. Keep them moist and exposed to sunlight until the leaves turn white. 6.1.3 Timely sowing: Sow by hand in late March to early April, with 20–25 kg/hm2 of hybrid rice and 45–60 kg/hm2 of conventional rice for main fields; sow by transplanting in early April, with 27.5–35.0 kg/hm2 of hybrid rice and 50–65 kg/hm2 of conventional rice for main fields; sow by machine transplanting in early April, with 27.5–32.5 kg/hm2 of hybrid rice and 60–75 kg/hm2 of conventional rice for main fields. 6.1.4 Seedling