LY/T 2630-2016 English PDF

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LY/T 2630-2016: Technical regulation for container seedling propagation of Tilia miqueliana
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Basic data

Standard ID: LY/T 2630-2016 (LY/T2630-2016)
Description (Translated English): Technical regulation for container seedling propagation of Tilia miqueliana
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B61
Word Count Estimation: 5,529
Date of Issue: 2016-01-18
Date of Implementation: 2016-06-01
Quoted Standard: GB 6000; GB/T 16620; LY/T 2289; LY/T 2290
Regulation (derived from): ?State Forestry Bureau Announcement 2016 No.1
Issuing agency(ies): State Forestry Administration

LY/T 2630-2016: Technical regulation for container seedling propagation of Tilia miqueliana

---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.
Technical regulation for container seedling propagation of Tilia miqueliana ICS 65.020.20 B61 People's Republic of China Forestry Industry Standard Nanjing 椴 container seedling cultivation technical regulations Released on.2016-01-18 2016-06-01 implementation State Forestry Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some of the contents of this document may involve patents. Publication of this document The organization is not responsible for identifying these patents. This standard is under the jurisdiction of the National Forest Seed Standardization Technical Committee (SAC/TC115). This standard was drafted. Nanjing Forestry University, Shandong Forestry Research Institute, Jiangsu Dry King Tianyuan Seedling Co., Ltd. The main drafters of this standard. Shen Yongbao, Wang Yinhua, Shi Fenghou, Dai Xiaogang, Xu Chun. Nanjing 椴 container seedling cultivation technical regulations

1 Scope

This standard stipulates the cultivation techniques of container seedlings such as seed germination, seedling cultivation, seedling transplanting, water and fertilizer management, and pest control in Nanjing. This standard applies to the production of Nanjing Shengshisheng container seedlings.

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 Main afforestation tree seedling quality grading GB/T 16620 Forest Tree Breeding and Seed Management Terminology LY/T 2289 forest seed production and management file LY/T 2290 forest seedling label

3 Terms and definitions

The following terms and definitions as defined in GB/T 16620 apply to this document. 3.1 Sprout transplantation Seeds are sown in sand beds or other matrices, giving suitable germination temperatures, moisture, and the like. When the seeds are germinated to a certain stage, they are transplanted again. A way of raising seedlings. 3.2 Cut the main root taprootpruningofsprout A seedling technique that uses a blade or other sharp tool to cut off a part of the main root of a sprout or seedling to promote the development of lateral roots of the seedling. 3.3 Natural layering naturalstratification A seed stratification method in which seeds and wet sand are thoroughly mixed in a ratio of 1.3 (volume ratio) and placed under the forest or in the shade.

4 seedlings

4.1 Seed quality The seed vigor of Nanjing alfalfa seeds used for sowing and breeding should be more than 20%. 4.2 Seed dormancy release Natural layering should be used. The following principles should be followed when stratifying. a) In the end of autumn, mix the seeds with wet sand in a ratio of 1.3 (volume ratio) (the water content of sand is controlled at 17%~18%); b) The height of the seed and sand mixture should be 20cm~25cm; ......

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