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Technical regulation for water-waiting afforestation in the river irrigation regions of northern China
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Basic data | Standard ID | LY/T 2029-2012 (LY/T2029-2012) | | Description (Translated English) | Technical regulation for water-waiting afforestation in the river irrigation regions of northern China | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B65 | | Classification of International Standard | 65.020.40 | | Word Count Estimation | 9,969 | | Quoted Standard | GB 6000-1999; GB/T 15776-2006 | | Regulation (derived from) | State Forestry Administration Notice 2012 No. 5; industry standard filing Notice 2012 No. 4 (No. 148 overall) | | Issuing agency(ies) | State Forestry Administration | | Summary | This standard specifies the seedlings pit construction, storage seedlings, planting pits and other aspects of the indicators. This standard applies to our northern climate is arid, cold, and has cited the river irrigated areas, especially river water irri | LY/T 2029-2012: Technical regulation for water-waiting afforestation in the river irrigation regions of northern China
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Technical regulation for water-waiting afforestation in the river irrigation regions of northern China
ICS 65.020.40
B65
People's Republic of China Forestry Industry Standard
Winter water storage in the northern diversion irrigation area, etc.
Water afforestation technical regulations
Published on.2012-02-23
2012-07-01 implementation
State Forestry Administration released
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the State Forestry Administration.
This standard is drafted by. Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry.
Participated in the drafting of this standard. Bayannaoer Forestry Science Research Institute, Baotou Steel Greening Company, Inner Mongolia.
The main drafters of this standard. Xie Huaici, Liu Yunsheng, Jing Xuehui, Guo Yongzhen, Bai Xinrong, Wang Jiping, Ding Yi, Qi Runguo.
Winter water storage in the northern diversion irrigation area, etc.
Water afforestation technical regulations
1 Scope
This standard specifies the indicators for nursery construction, storage, and afforestation.
This standard is suitable for areas where the climate in northern China is relatively dry and cold, and there are conditions for diverting river water, especially for water diversion.
The natural germination and irrigation time of afforestation seedlings are not synchronized with the physiological drought of afforestation seedlings, with the aim of improving afforestation in such areas.
Survival rate.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 6000-1999 Quality classification of main afforestation tree seedlings
GB/T 15776-2006 Afforestation Technical Regulations
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Water awaiting afforestation
There is a disconnect between the afforestation season in the northern irrigated area and the reference river water irrigation time, resulting in low afforestation survival rate and low conservation rate.
In the autumn and winter of the previous year, the wood was stored in winter, artificially extending the dormancy period of the seedlings, so that the afforestation season was synchronized with the reference river irrigation time.
Solve the problem that the survival rate of seedlings can not be watered in time after afforestation is not high.
3.2
Physiological droughtphysicaldrought
Because the soil temperature is too low or the concentration of the soil solution is too high, the physiological functions of the plant roots are disturbed and cannot be properly absorbed.
The current drought phenomenon.
3.3
Dormant hibernationperiod
The growth and metabolism of plants or their organs during the development process to adapt to adverse environmental factors or their own growth.
The period of pause.
3.4
Big seedlings bigsizedseedlings
Seedling height and seedlings with large diameters. The seedling standards of different tree species are inconsistent, such as the general poplar broadleaf tree seedlings in the north.
For a height of 1.8m or more, a breast diameter of 2cm or more can be counted as a large seedling, and most of the shrubs in the sand area can be counted at a height of 0.5m or more.
For the big seedlings.
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