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LY/T 2643-2016 English PDF

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LY/T 2643-2016: Technical regulations for seedling propagation of kalopanax sepemlobus
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Basic data

Standard ID LY/T 2643-2016 (LY/T2643-2016)
Description (Translated English) Technical regulations for seedling propagation of kalopanax sepemlobus
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B61
Word Count Estimation 7,746
Date of Issue 2016-01-18
Date of Implementation 2016-06-01
Quoted Standard GB 2772; GB 6000; GB/T 6001; LY/T 2289; LY/T 2290
Regulation (derived from) ?State Forestry Bureau Announcement 2016 No.1
Issuing agency(ies) State Forestry Administration

LY/T 2643-2016: Technical regulations for seedling propagation of kalopanax sepemlobus

---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 regulations for seedling propagation of kalopanax sepemlobus ICS 65.020.20 B61 People's Republic of China Forestry Industry Standard Technical regulations for sowing seedlings 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. This standard is under the jurisdiction of the National Forest Seed Standardization Technical Committee (SAC/TC115). This standard is drafted by. Jilin Forestry Research Institute, Jilin Agricultural University, Shenyang Agricultural University. The main drafters of this standard. Lin Yumei, Yang Wei, Ren Jun, Wen Xuanzhen, Liu Geng, Ren Xuanbai, Zhou Yongbin, Zhang Hongyan, Wang Xiaona, Mao He, Sun Wei. Technical regulations for sowing seedlings

1 Scope

This standard specifies the seed treatment, hoeing, sowing, field management, transplanting, seedling emergence, testing methods, inspection rules for locust seedlings. And technical requirements for identification, transportation, packaging, etc. This standard applies to the cultivation of black-bone root seedlings of Robinia pseudoacacia.

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 2772 forest seed inspection procedures GB 6000 Main afforestation tree seedling quality grading GB/T 6001 nursery technical regulations LY/T 2289 forest seed production and management file LY/T 2290 forest seedling label

3 seed treatment

3.1 Fruit harvesting, modulation Priority is given to the selection of local high-quality mother trees. The mother tree should be selected to be robust, pest-free, dry, and of good quality. The age of the tree is over 25 years. The result is a mother tree. Pick when the fruit changes from yellowish brown to blueish black. After the fruit is harvested, it is soaked in clear water, smashed, and the flesh is removed. Remove the impurities. 3.2 Seed quality The purity is determined according to GB 2772, and the seed clarity is not less than 95%. 3.3 Seed germination The seeds of Robinia pseudoacacia produced in the south of the Huaihe River in the Qinling Mountains can be mixed with sand before spring sowing. Robinia species produced in the north of the Huaihe River in the Qinling Mountains The child needs to break the dormancy and should use stratification. See Appendix A for the germination method. 4 圃地 4.1 Selection The slightly acidic to neutral sandy loam with gentle terrain, deep soil layer and high soil fertility should be selected, and the drainage and ventilation of the soil should be selected. good. 4.2 Fertilization 30 days before sowing, 1000kg~3000kg of organic fertilizer and 50kg of compound fertilizer per 667m2. After the application, the ploughshare is once distributed

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