T/XJBZFX 002-2021 Active Group standards

T/XJBZFX 002-2021 Yanqi County Seed Wheat Planting Technical Regulations for Selenium Enriched Grain

Publish Date: 2021-07-26 Implement Date: 2021-07-28 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/XJBZFX 002-2021

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: 2021-07-26

Implement Date: 2021-07-28

Scope

Main Technical Content: 4. Base Environment 4.1 Environmental Air Quality: Should comply with the requirements of GB 3059. 4.2 Irrigation Water: The water quality for farmland irrigation should meet the standards of GB 5084. 4.3 Soil Environment Quality: Should meet the requirements of GB 15618. The selenium content in the soil should be ≥ 0.3 mg/kg. 5. Yield Element Indicators: Yield: 450 kg/667 m2 - 500 kg/667 m2. Number of ears: 400,000/667 m2 - 480,000/667 m2. Number of grains per ear: 25 - 35. Thousand grain weight: 45 g - 50 g. 6. Pre-sowing Preparation: 6.1 Autumn Plowing and Winter Irrigation 6.1.1 Autumn Plowing: - Till the soil to a depth of 30-35 cm, thoroughly harrow and compact it, ensuring no visible or hidden clods. - Build ridges or make furrows for planting, and level the furrow surface. 6.1.2 Winter Irrigation: For fields with insufficient moisture, irrigate in late September to mid-October to ensure sufficient and thorough watering. 6. Fertilization 6.2.1 Fertilization Principles: - Combine autumn plowing with organic fertilizer application, and balance nitrogen, phosphorus, and potassium fertilizers. - Apply nitrogen fertilizer later in the season. - Use soil testing to determine and scientifically apply trace element fertilizers. - Fertilizers should comply with NY/T 496. 6.2.2 Fertilization Amount: - 3000 kg of farmyard manure per 667 m2. - 20 kg of double superphosphate per 667 m2. 6.2.3 Fertilization Method: - Apply base fertilizer during plowing, spreading it in the plow furrow and immediately covering it with soil. 7. Sowing 7.1 Variety Selection: - Use varieties that have been approved and adapted to local natural and production conditions, with high quality, high yield, and strong resistance to adverse conditions. Prioritize the Xinchun series. - Seed quality should meet the requirements of GB 4404.1. 7.2 Seed Treatment: 7.2.1 Seed selection: - Remove empty seeds, dise