T/PSGSZZ 003-2020 The technical regulations for high yield of young hazelnut trees with fragrant taste

Scope

Scope: This document specifies the technical requirements for the production processes of Qingxiang walnut planting, cultivation, and young tree high yield in terms of soil, fertilizer, and water management, shaping and pruning, flower and fruit management, pest and disease control, and fruit harvesting. This document is applicable to the Taihang Mountains and plains regions, and to the high yield of young Qingxiang walnut trees. Main technical contents: 3. Site selection and planning 3.1 Site selection 3.1.1 Climate conditions 3.1.2 Soil conditions 4. Land preparation 4.1 Terrace reconstruction 4.2 Land preparation methods 5. Planting 5.1 Planting time 5.2 Planting density 5.3 Seedling selection and treatment 5.4 Pollination variety configuration 5.5 Planting 6. Post-planting management 6.1 Topping 6.2 Bagging 6.3 Watering 6.4 Winter protection 7. Soil, fertilizer, and water management 7.1 Soil management 7.1.1 Inter-row grass growth 7.2 Fertilization techniques 7.2.1 Base fertilizer 7.2.2 Top-dressing fertilizer 7.2.3 Fertilization methods 8. Shaping and pruning 8.2 Tree structure 8.3 Pruning 8.3.1 Pruning period 8.4 Growing season pruning methods 8.4.1 Branch pulling 8.4.2 Treatment of upright branches on main branches 8.4.3 Thinning 8.4.4 Backcutting 8.4.5 Topping 9. Chemical control 10. Flower and fruit management 10.1 Male branch removal 10.2 Artificial pollination 11. Pest and disease control Main pests: Walnut leaf miner, grasshopper scale insect, green beetle, cloudy bark beetle, American white moth, black velvet beetle, etc. Main diseases: Black spot disease, anthracnose, rotting disease, brown spot disease, etc. 12. Fruit harvesting

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