T/AFFI 027-2022 Active

Main Technical Content: 1. Scope: This standard specifies the terms and definitions for the early cultivation of winter jujube in greenhouses in Alar City, Xinjiang Uygur Autonomous Region. It also covers techniques such as tree shape cultivation, pruning and shaping, temperature and humidity control, flower and fruit preservation, water and fertilizer management, and pest and disease prevention during the jujube cultivation process. This standard applies to the production of winter jujube in greenhouses in Alar City. 2. Normative References: - GB 4285: Standards for the Safe Use of Pesticides - GB 5084: Water Quality Standards for Farmland Irrigation - GB 8832.1-3: Standards for the Rational Use of Pesticides - GB/T 5835: Red Dates - GB/T 8321.9: Guidelines for the Rational Use of Pesticides - NY/T 391: Green Food—Environmental Quality of Production Areas - NY/T 393: Green Food—Pesticide Use Guidelines - NY/T 496: Guidelines for the Rational Use of Fertilizers - DB 61/T 1241.4: Integrated Standard for the Green Production of Winter Jujube—Part 4: Greenhouse Cultivation Techniques 3. Terms and Definitions: - Cold requirement: The cumulative number of hours at 0°C–7.2°C required for winter jujube to complete its dormancy period. - Shaping and pruning: A technique used to cultivate the desired structure and shape of plants through specific measures. - Water-fertilizer integration: An agricultural technology that integrates irrigation and fertilization. It comprehensively regulates and manages water and nutrients in the field according to crop needs, promoting water-fertilizer coupling and improving the efficiency of water and fertilizer utilization in the field. 4. Tree shape cultivation: - Shaping methods: - Small crown and sparse layer form: Tree height 2.0–2.5 m, with sides controlled at 2.0 m and the center extended to 2.5 m. A single central trunk is used, with 5–6 main branches dis