GB/T 23230-2009 English PDF

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GB/T 23230-2009: Fast growing and high yield plantation of batula platyphylla suk.
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Basic data

Standard ID: GB/T 23230-2009 (GB/T23230-2009)
Description (Translated English): Fast growing and high yield plantation of batula platyphylla suk.
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B64
Classification of International Standard: 65.020.40
Word Count Estimation: 8,847
Date of Issue: 2009-02-23
Date of Implementation: 2009-08-01
Quoted Standard: GB 6000-1999
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the birch plantation indicators, foster technical measures, management and file management, and more. This standard applies to Heilongjiang, Jilin, eastern Inner Mongolia, Liaoning and birch forests of fast growing forest cultivation.

GB/T 23230-2009: Fast growing and high yield plantation of batula platyphylla suk.

---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 batula platyphylla suk. ICS 65.020.40 B64 National Standards of People's Republic of China Birch plantation Posted 2009-02-23 2009-08-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The Standard Appendix B, Appendix C are normative appendices, Appendix A is an information appendix. This standard is proposed and managed by the State Forestry Administration. This standard is drafted by. Baishan City, Jilin Province Academy of Forestry. Participated in the drafting of this standard. Jilin Forestry technology promotion stations, Jilin Academy of Forestry, Northeast Forestry University, Jilin Provincial Academy of Forestry Sciences, College of Forestry, University of North China, Liaoning Province Forest Management Research Institute, Baishan City, Jilin Province Forestry Bureau, Jilin Province Fusong Forestry Board Lushuihe Jilin Forestry Bureau, Jilin Province Linjiang Forestry Bureau. Drafters of this standard. In the military field, Wang Yang, Cao Changqing, Zhao Yu, Liuxue Zhi, Zhao Yi hair, Peer Review Wang Hao, Zhao Kun, Jia Shichang, Song Weidong Qu Bin. Birch plantation

1 Scope

This standard specifies the birch plantation targets, foster technical measures, management, and file management and so on. This standard applies to Heilongjiang, Jilin, Liaoning and eastern Inner Mongolia Forest birch fast growing forest cultivation.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB 6000-1999 Seedlings for Forestation quality grading

3 plantation index

3.1 Afforestation Survival Rate and Preservation Rate Index Year survival rate of afforestation is not less than 98% and not less than three years to save 95%. When mainly the three years to the same site conditions Select seedlings under age replanting seedlings given strains. 3.2 Types areas Birch Forest fast growing area zoning standards in Appendix A. 3.3 Growth and density index Birch Tree Growth High Yield Index Appendix B. 3.4 of cutting Birch forest yield mainly fiber material and the large-diameter timber as the goal. Wherein the fibrous material 10a generally appropriate; the large-diameter timber to 20a ~ 25a is appropriate. Lin yield 3.5 scale State-owned forest base yield, relatively concentrated area of \u200b\u200bnot less than 50hm2; collective and individual high yield forest, relatively concentrated area of \u200b\u200bnot less than 20hm2. Wherein each area should be greater than 5hm2. 3.6 Material trees It requires more than 95% in the high-yield forest trees straight stem form, disease rot, no cracks, no breakage.

4 Cultivation Technique

4.1 Site Selection 4.1.1 to class Suitably class is felling after the barren hills and wasteland, forest land and forest land also participate. 4.1.2 Site Conditions Site Condition Selection of afforestation in accordance with Appendix C. 4.2 Seed selection 4.2.1 Seed It should be good provenance in birch, seed production stands or seed garden seed. 4.2.2 Seedlings According to the provisions of GB 6000-1999 grade Ⅰ Planting. Or use an average of a year or biennial high quality natural at 0.5m ~ 1.0m ......

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