T/HNSGJXH 0001-2023 Cultivation Technical Specifications for Early and Medium-ripening Wenzhou Mandarin Oranges

Scope

Scope: This document specifies the technical requirements for the cultivation of early- and medium-ripening Wenzhou mandarins, including site selection and planning, soil and fertilizer management, tree management, pest and disease control, frost prevention, harvesting, waste disposal, and file management. This document is applicable to the cultivation of early- and medium-ripening Wenzhou mandarins. Main Technical Content: 3 Terms and Definitions: There are no terms or definitions requiring definition in this document. 4 Site Selection and Planning: 4.1 Site Selection and Planning: Implement according to the provisions of DB43/T 287. 4.2 Infrastructure: Implement according to the provisions of DB43/T 287. 4.3 Land Preparation: For slopes with a slope of less than 15° and flat land, directly create ridges with a base width of 2 m to 2.5 m and a face width of 1.5 m to 2 m, with a height of 30 cm to 50 cm and a spacing of 2 m to 2.5 m. For slopes with a slope of 15° or greater, terrace the slopes along contour lines, with a terrace width of 2.5 m to 3 m (5 m to 6 m for mechanized orchards), a lower inner part and a higher outer part, and a terrace wall height of no more than 1.7 m. After terracing, create ridges with a base width of 2 m to 2.5 m and a face width of 1.5 m to 2 m, with a height of 30 cm to 50 cm. When creating ridges, separate the topsoil and subsoil, and when backfilling, mix the weeds and mountain green in the terrace with the topsoil and bury them in layers. Each mu shall apply 3,000 kg to 5,000 kg of organic green manure, and for pH less than or equal to 6, add 2 kg to 2.5 kg of quicklime per cubic meter of soil. 4.4 Planting 4.4.1 Seedling Quality: The seedling quality shall meet the requirements of GB/T 9659, and the quarantine shall be carried out in accordance with GB 5040. 4.4.2 Planting Period: March to June and September to December. 4.4.3 Density: Wide-row narrow-spaced planting, with a planting spacing of 3 m to 3.5 m and a row spacing of

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