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LY/T 1897-2022: Code of management technology for plantation of Larix principis-rupprechtii Mayr.
Status: Valid LY/T 1897: Evolution and historical versions
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| LY/T 1897-2022 | English | 419 |
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Code of management technology for plantation of Larix principis-rupprechtii Mayr.
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LY/T 1897-2022
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| LY/T 1897-2010 | English | 519 |
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Management technical procedures for plantation forest of larix principis-rupprechtii Mayr.
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LY/T 1897-2010
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Basic data | Standard ID | LY/T 1897-2022 (LY/T1897-2022) | | Description (Translated English) | Code of management technology for plantation of Larix principis-rupprechtii Mayr. | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B64 | | Classification of International Standard | 65.020.40 | | Word Count Estimation | 18,157 | | Date of Issue | 2022-11-30 | | Date of Implementation | 2023-04-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1897-2022: Code of management technology for plantation of Larix principis-rupprechtii Mayr.
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS65:020:40
CCSB64
Forestry Industry Standard of the People's Republic of China
Replace LY/T 1897-2010
Technical Regulations on Larix Plantation in North China
Posted on 2022-11-30
2023-04-01 Implementation
Released by the State Forestry and Grassland Administration
table of contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General requirements 1
5 Seeds and Seedlings 2
6 Forestation 2
7 Young forest management and protection 5
8 Forest tending 5
9 Forest cutting 7
10 Rehabilitation of low-quality and low-efficiency forests7
11 Pest Control 8
12 Operation Supervision and Performance Evaluation 9
Appendix A (Informative) Division and Characteristics of North China Larix Main Cultivation Areas 10
Appendix B (informative) Retention density of North China larch tending and thinning 11
Appendix C (informative) Control methods of main pests and diseases of North China larch 12
foreword
This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"
drafting:
This document replaces LY/T 1897-2010 "Technical Regulations for Larix Plantation Forest Management in North China": Compared with LY/T 1897-2010, except
Apart from editorial changes, the main technical changes are as follows:
--- Deleted the normative references "GB/T 15783" and "GB/T 18337:3" (see Chapter 2 of the:2010 edition);
--- Added normative references "GB/T 8822:10" and "LY/T 1690-2017" (see Chapter 2);
---Deleted the term "forest management, public welfare forest, high-quality wood, medium wood, inferior wood and auxiliary wood" and its definition (see the:2010 edition
- Chapter 3), the term "target diameter" and its definition are added (see Chapter 3);
--- Added general requirements (see Chapter 4), changed the age classification (see 4:2, 9:1 of the:2010 edition);
---No distinction between public welfare forests and timber forests (see Chapter 6, Chapter 8 and Chapter 9, 5:1, 7:1 and 9:1 of the:2010 edition);
--- Changed the technical requirements for low-quality and low-efficiency forest improvement (see 10:2, 10:1 and 10:2 of the:2010 edition);
--- Added "business supervision and effectiveness evaluation" and changed the corresponding content (see Chapter 12, Chapter 12 of the:2010 edition):
Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Afforestation Standardization Technical Committee (SAC/TC385):
This document was drafted by: Hebei Agricultural University, Saihanba Mechanical Forest Farm of Hebei Province, Inner Mongolia Forestry and Grassland Protection Station, Tianjin City
Planning and Design Research Institute, Mulan Weichang State-owned Forest Farm of Hebei Province:
The main drafters of this document: Huang Xuanrui, Zhang Zhidong, Xu Zhongqi, Zhang Yuyang, Zhao Meili, Wang Dongzhi, Lu Wei, Yin Hailong, Yang Jinyu, Yu Guipeng,
Chen Ziyuan, Cao Jing, Liu Qiang, Guo Mingming, Yang Huijuan, Jia Yanlong, Zhao Jiuyu, Zhou Qingying, Zhang Jiandong, Zhang Erliang, Wang Hui, Zhang Shuzi, Liu Ruimin,
Fan Dongdong, Huang Yuexin, Chen Yongli, Zhang Fei, Dai Nan, Qi Jingling, Yan Lijun, Xu Guoqiao, Liu Fang, Sun Chaohui, Ding Yuhui, Guan Pengfei, Wang Jianfeng,
Zhang Haijun, Wang Wei, Wang Xueyan, Wang Jianfeng, Wu Yumei, Zhou Fujun, Hua Jianchun, Song Wei:
The release status of previous versions of this document and the documents it replaces are as follows:
---First published as LY/T 1897-2010 in:2010;
--- This is the first revision:
Technical Regulations on Larix Plantation in North China
1 Scope
This document stipulates the division of cultivation area and site quality of North China larch (Larixprincipis-rupprechtiiMayr:)
Seedlings and seedlings, afforestation, young forest management and protection, forest tending, low-quality and low-efficiency forest transformation, pest control, management supervision and effectiveness evaluation, etc:
Require:
This document is applicable to the larch cultivation areas in North my country, including the western remnants of Daxingan Mountains, Yanshan Mountains, Taihang Mountains, Luliang Mountains, Yinshan Mountains, and Helan Mountains:
Mountains, Liupan Mountains, Qinling Mountains and Qilian Mountains in whole or in part:
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the documents: where dated references
For documents, only the version corresponding to the date applies to this document; for undated reference documents, the latest version (including all amendments) applies
in this document:
GB 6000 Quality classification of seedlings of main afforestation species
GB 7908 Forest tree seed quality classification
GB/T 8822:10 China forest tree seed area North China larch seed area
GB/T 15776-2016 Afforestation Technical Regulations
GB/T 15781-2015 Forest tending regulations
LY/T 1000 container seedling cultivation technology
LY/T 1646 Forest Harvesting Operation Regulations
LY/T 1690-2017 Technical regulations for low-efficiency forest improvement
3 Terms and Definitions
GB 7908, GB/T 8822:10, GB/T 15776-2016, GB/T 15781-2015, LY/T 1646 and LY/T 1690-
2017 and the following terms and definitions apply to this document:
3:1
target diameter targetdiameter
According to site conditions, age, combined with management objectives, the diameter at breast height for tree cultivation determined:
4 General requirements
4:1 Cultivation area and site quality division
4:1:1 Cultivation area division
According to the physical and geographical conditions, water and heat conditions and growth differences of North China larch in different introduction areas in my country, its cultivation areas are divided into
See Appendix A for the division and characteristics of the main cultivation areas of North China larch in the four regions:
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