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DEdiameter class
diameter class, Total:10 items.
In the international standard classification, diameter class involves: Farming and forestry.
Professional Standard - Forestry, diameter class
- LY/T 2118-2013 Guidelines for large-size timber cultivation
- LY/T 2618-2016 Hongzhui large-diameter target tree management technical regulations
Jiangxi Provincial Standard of the People's Republic of China, diameter class
- DB36/T 502-2017 Technical regulations for the cultivation of large-diameter moso bamboo forests
Shandong Provincial Standard of the People's Republic of China, diameter class
- DB37/T 3228-2018 Cultivation Technical Regulations of Large Diameter Class Timber Forest of Black Poplar
Liaoning Provincial Standard of the People's Republic of China, diameter class
- DB21/T 3744-2023 Technical regulations for pruning of large-diameter poplar forests
- DB21/T 3922-2024 Technical regulations for full-cycle composite management of poplar large-diameter timber forests
Anhui Provincial Standard of the People's Republic of China, diameter class
- DB34/T 3041-2017 Technical regulations for the cultivation of large-diameter timber forests of poplar
- DB34/T 2809-2017 Technical Regulations for the Cultivation of Liquidambar Large-diameter No-section Wood
Hunan Provincial Standard of the People's Republic of China, diameter class
- DB43/T 2238-2021 Technical regulations for the cultivation of large-diameter timber forests of poplar
Heilongjiang Provincial Standard of the People's Republic of China, diameter class
- DB23/T 2740-2020 Technical regulations for large-diameter target tree management in Xing'an larch natural forest