T/YNFS 5-2021 Active Group standards

T/YNFS 5-2021 Pruning and Ornamental Pruning Techniques for Deciduous Trees and Shrubs Manual

Publish Date: 2021-03-01 Implement Date: 2021-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/YNFS 5-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: \nForest management techniques

ICS Name: \nGreening and afforestation

Publish Date: 2021-03-01

Implement Date: 2021-05-01

Scope

Main technical content: Foreword II. Techniques for pruning and shaping old trees 11. Scope 12. Normative reference documents 13. Terms and definitions 14. Principles of pruning and shaping 14.1 Dwarfing the host tree to form a "umbrella" or "double umbrella" tree structure 14.2 Creating an environment conducive to the survival of lacquer bugs 25. Pruning and shaping techniques 25.1 Old trees aged ten years or less 25.1.1 Nurturing and management 25.1.2 Flattening the trunk 25.1.3 Cultivating effective branches 25.2 Old trees aged over ten years 25.2.1 Nurturing and management 25.2.2 Flattening the main branches 25.2.3 Cultivating effective branches 25.3 Utilizing effective branches and pruning after use 25.4 Pruning aging trees 3