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LY/T 1951-2011: Fast growing and high yield plantation of Taiwania flousiana
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Fast growing and high yield plantation of Taiwania flousiana
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LY/T 1951-2011
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Basic data | Standard ID | LY/T 1951-2011 (LY/T1951-2011) | | Description (Translated English) | Fast growing and high yield plantation of Taiwania flousiana | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Classification of International Standard | 65.020.40 | | Word Count Estimation | 11,136 | | Date of Issue | 2011-06-10 | | Date of Implementation | 2011-07-01 | | Quoted Standard | GB 6000-1999; GB 7908; GB/T 15776-2006; GB/T 15781-2009; LY/T 1000; LY/T 1646-2005; LY/T 1724-2008 | | Regulation (derived from) | State Forestry Administration in 2011 Notice No. 9 | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the bald fir plantation indicators and the main technical measures. This standard applies to fast growing bald fir forest cultivation and management. | LY/T 1951-2011: Fast growing and high yield plantation of Taiwania flousiana---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.
Fast growing and high yield plantation of Taiwania flousiana
ICS 65.020.40
B65
People's Republic of China Forestry Industry Standard
Fast-growing and high-yield forest
Published on.2011-06-10
2011-07-01 implementation
State Forestry Administration released
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Balsui suitable area and site conditions 1
4 high yield forest indicator 1
5 High-yield forest cultivation measures 2
Appendix A (normative appendix)
Appendix B (Normative Appendix) Table of Classification of Bald Fir High Yield Forest Sites
Appendix C (informative appendix) Main technical indicators of fast-growing and high-yield forest cutting of Bald fir Table 7
Foreword
Appendix A and Appendix B of this standard are normative appendices, and Appendix C is an informative appendix.
This standard is proposed and managed by the National Afforestation Standardization Technical Committee (SAC/TC385).
This standard is drafted by. Yunnan Forestry Investigation and Planning Institute.
The main drafters of this standard. Liu Peiyun, Li Chunyan, Li Dong, Wang Lizhen, Hu Cankun, Lu Yaqiang, Li Jiangpeng.
Fast-growing and high-yield forest
1 Scope
This standard specifies the indicators and main technical measures for fast-growing and high-yield forests of Bald fir.
This standard applies to the cultivation and management of fast-growing and high-yield forests of Bald fir.
2 Normative references
The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all
Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study
Is it possible to use the latest version of these files? For undated references, the latest edition applies to this standard.
GB 6000-1999 Quality classification of main afforestation tree seedlings
GB 7908 forest tree seed quality classification
GB/T 15776-2006 Afforestation Technical Regulations
GB/T 15781-2009 Forest tending procedures
LY/T 1000 container seedling technology
LY/T 1646-2005 Forest harvesting procedures
LY/T 1724-2008 Short-rotation and fast-growing and high-yield timber harvesting procedures
3 Bald fir suitable area and site conditions
3.1 Balsui suitable area
According to the natural geographical distribution of the natural distribution area of the cedar and the artificial cultivation area, the ecological conditions and growth conditions are divided into two.
District. See Table A.1.
3.2 Classification of Bald Sediment Conditions
Within the suitable area of the cedar, the types of conditions of the cedar stand were classified according to climate indicators, small topography, soil factors and parent rock types.
See Table B.1.
4 high yield forest indicators
4.1 Calculating age
The growth index of fast-growing and high-yield forest of Bald fir is calculated by 40 years, including seedling age.
4.2 Growth indicators
In the Class I area, the average annual growth of 20 years is more than 13.5m3 per hectare, and the average DBH of the stand reaches 22.0cm. Class II area
The annual average growth of 20 years is more than 10.1m3 per hectare, and the average DBH of the stand reaches more than 19.0cm. Lower limit growth of different forest ages
The indicators are shown in Table 1.
Table 1 Growth indicators of high-yield forests of Bald
age
Class I zone
Average tree height /
Average DBH /
Cm
Annual average production /
(m3/hm2)
Average tree height /
Average DBH /
Cm
Annual average production /
(m3/hm2)
4 3.9 5.4 1.41 28 3.4 0.53
5 5.1 6.8 2.27 3.8 4.9 1.09
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