T/AFFI 023-2022 Active

Main Technical Content: Cultivation Techniques for Density Adjustment and Shaping Pruning of Grey Dates in Southern Xinjiang 1 Scope This standard specifies the terms and definitions for reducing the density and shaping the growth of grey dates in southern Xinjiang, including adjusting the density of orchards, transforming tree shapes, regulating water and fertilizer application, and foliar spraying. This guideline applies to grey date orchards in southern Xinjiang with a tree age of over 5 years and a density of ≥1,650 trees per hectare. 2 Normative References The following documents are essential to this document through normative references. Among them, the referenced documents with a specified date only apply to the corresponding version on that date; the latest versions (including all amendment lists) of the unspecified date referenced documents apply to this document. - GB/T 5835: Red Dates - GB 4285: Guidelines for the Safe Use of Pesticides - GB/T 26908-2011: Technical Guidelines for the Storage of Dates - GB/Z 26579-2011: Technical Specifications for the Production of Winter Dates - DBN 659003/T020-2016: Technical Guidelines for High-Quality and Efficient Cultivation of Grey Dates in Southern Xinjiang - DBN 659003/T025-2016: Technical Guidelines for Integrated Drip Irrigation and Fertilization of Grey Dates - DBN 6529/T001: Technical Guidelines for Disease and Pest Control in Densely Planted Orchards 3 Terms and Definitions 3.1 Shaping and Pruning A technique used to cultivate the required structure and morphology of plants through certain technical measures. 3.2 Backcutting Refers to the removal of a portion of a 2-year-old branch or a multi-year-old branch. 3.3 Shortening Refers to the shortening of a 1-year-old branch, leaving a portion of the branch to grow. 3.4 Thinning Refers to the removal of overly dense branches from the base of a plant, including cross branches, parallel branches, inward-growing branches, di