T/RZCX 004-2022 Sunshine tea plantation cultivation and management technical regulations

Scope

Scope: This standard specifies the technical requirements for cultivation management in the tea production process, including tea tree planting, soil and fertilizer management, tea tree pruning, fresh leaf picking, pest and disease control, and winter protection. This standard applies to the cultivation management of tea gardens within the administrative area of Rizhao City. Main technical contents: 3. Terminology and definitions: The following terms and definitions are applicable to this standard. 3.1 Young tea gardens: Tea gardens with 1- to 3-year-old tea trees. 3.2 Mature tea gardens: Tea gardens with a tree age of 4 years or more (including 4-year-old trees). 4. Tea tree planting: 4.1 Seedling selection: Select asexual tea tree varieties suitable for planting in Rizhao, and the quality of the seedlings shall comply with GB 11767. 4.2 Planting: 4.2.1 Planting time: From mid to late March to early to mid-April, or from mid to late September. 4.2.2 Planting density: Double-row planting with a large row spacing of 120cm to 150cm and a small row spacing of 30cm, and a plant spacing of 20cm to 30cm. 4.2.3 Planting method: Plant 1 to 2 tea seedlings per hole. The planting depth should exceed the mud door of the tea seedlings by 2cm. When planting, separate the two seedlings, keep the roots spread out, compact the soil, and water three times before hoeing and covering the soil with soil. 5. Soil and fertilizer management: 5.1 Soil: 5.1.1 Regularly monitor the soil fertility level and the content of heavy metals, and test them every 2 years. Based on the test results, improve the soil in a targeted manner. 5.1.2 Adopt reasonable farming methods, ground cover with biomass, and apply more organic fertilizers to improve the soil's ability to retain water and soil. 5.2 Fertilization: 5.2.1 Determine the reasonable fertilizer type, quantity, and application time based on the soil's physical and chemical properties, the growth of tea trees, tea varieties, and climate, an

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