T/HNFX 003-2022 Active

Main Technical Content: 3.1 Selenium-Enriched Chili: Produced using the selenium-rich soil resources or biological resources of Jiahe County, this chili contains trace elements of selenium. The selenium is naturally enriched during the growth process or enhanced through selenium bio-nutrition techniques, rather than being added after harvest. The total selenium content (calculated as dry weight) in the edible parts reaches 15 μg/100g to 40 μg/100g, with the proportion of organic selenium accounting for at least 80% of the total selenium content. 3.2 Selenium-Enriched Soil: Contains abundant natural selenium, with a soil selenium content of no less than 0.4 mg/kg and harmful heavy metal content below the screening values for soil pollution risk in agricultural land. 3.3 Selenium-Enriched Cultivation: Utilizes the plant's growth and development mechanisms to cultivate selenium-enriched chili through techniques such as selenium-rich soil or selenium bio-nutrition. 4. Geographical Environment: The planting area's soil is derived from shale parent material, which is selenium-rich, and the soil quality must meet the requirements of GB 15618. The atmospheric environment must comply with GB 3095, and irrigation water must meet GB 5084 standards. 5. Production Techniques 5.1 Variety Selection: Select high-quality varieties suitable for cultivation in Jiahe County, combining aroma, spiciness, and sweetness. Preferably, small-horned chili, heart-shaped chili, large-horned chili, bright red chili, and bird's-eye chili should be used, with seed quality meeting the requirements of GB/T 16715.3. 5.2 Field Cultivation Management: Techniques such as sowing, seedling cultivation, transplanting, and appropriate planting density can be implemented according to local Jiahe County field management practices. 5.3 Water and Fertilizer Management: - Initial stage: Apply urea-dissolved fertilizer for root irrigation 7-10 days after transplanting, with a dosage of 60-90 kg/h