T/HJXNXH 002-2024 Production Technical Specifications for Selenium-Enriched Peanut
T/HJXNXH 002-2024
Basic Information
Scope
Main Technical Content: Selenium-enriched peanuts are obtained through natural selenium enrichment during the growth process or by selenium bio-nutrition strengthening technology, rather than adding selenium after harvest. These peanuts are rich in the trace element selenium and meet the requirements specified in this document. 3.2 Selenium Bio-Nutrition Strengthening: A technology that enhances the selenium content in edible parts of peanuts by applying selenium-containing conditioners (or fertilizers) during natural growth. 4 Requirements 4.1 Variety Selection: Select peanut varieties with strong selenium enrichment capacity, high yield, strong stress resistance, and adaptation to local cultivation. 4.2 Seed Treatment: Peel the shells within 10 days before sowing and sun-dry the seeds for 2–3 days before peeling. Use large and plump kernels as seeds. 4.3 Site Environment: The site environment must meet the requirements of NY/T 855, and it is recommended to plant in deep, well-drained and well-irrigated sandy, sandy-loamy, or loamy soils. 5 Tillage and Fertilization 5.1 Fertilization Grooves: Open fertilization grooves every 80 cm on leveled land and apply 50 kg of peanut-specific compound fertilizer (with a N-P-K ratio of 10:10:20), 2–3 kg of potassium dihydrogen phosphate, 0.2 kg of iron-zinc fertilizer, and 0.1 kg of borax per acre. Mix all fertilizers and apply them evenly to the fertilization grooves. Create ridges in the center of the two grooves, with a row spacing of 30 cm and a hole spacing of 18–20 cm. Plant 8,000–9,500 holes per acre, with 2 seeds per hole. 5.2 Mulching: After sowing, mulch the fertilization grooves immediately while the soil is still moist. The mulch should be 1 m wide and tightly adhered to the grooves with soil. The mulch must comply with GB 13735 requirements. 7 Field Management 7.1 Water Management: During the flowering and pod-setting stages, irrigate promptly and appropriately when drought occurs. During th