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YC/T 310-2024 English PDF

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YC/T 310-2024: Nursery substrate for tobacco float system
Status: Valid

YC/T 310: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YC/T 310-2024English339 Add to Cart 4 days [Need to translate] Nursery substrate for tobacco float system Valid YC/T 310-2024
YC/T 310-2009English759 Add to Cart 4 days [Need to translate] Nursery substrate for tobacco float system Obsolete YC/T 310-2009

PDF similar to YC/T 310-2024


Standard similar to YC/T 310-2024

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Basic data

Standard ID YC/T 310-2024 (YC/T310-2024)
Description (Translated English) Nursery substrate for tobacco float system
Sector / Industry Tobacco Industry Standard (Recommended)
Classification of Chinese Standard X85
Classification of International Standard 65.160
Word Count Estimation 17,132
Date of Issue 2024-01-29
Date of Implementation 2024-05-01
Older Standard (superseded by this standard) YC/T 310-2009
Issuing agency(ies) State Tobacco Monopoly Administration

YC/T 310-2024: Nursery substrate for tobacco float system

---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.
ICS 65.160 CCSX85 Tobacco Industry Standard of the People's Republic of China Replaces YC/T 310-2009 Tobacco floating seedling medium Released on 2024-01-29 2024-05-01 Implementation The State Tobacco Monopoly Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document replaces YC/T 310-2009 "Tobacco Floating Seedling Culture Medium". Compared with YC/T 310-2009, except for structural adjustment and editing, In addition to the changes in performance, the main technical changes are as follows. --- Added the limit requirements for heavy metals in floating seedling substrates (see 4.3); --- Added the heavy metal detection method for floating seedling substrate (see 5.2.9, 5.2.10); --- Deleted the requirements for humic acid in tobacco floating seedling medium (see Table 1 of the.2009 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by the State Tobacco Monopoly Administration. This document is under the jurisdiction of the Agricultural Subcommittee of the National Tobacco Standardization Technical Committee (SAC/TC144/SC2). This document was drafted by. China Tobacco Leaf Company, Yunnan Tobacco Agricultural Science Research Institute, Sichuan Tobacco Company Liangshan Prefecture Company, China Agricultural Tobacco Research Institute, Academy of Industrial Sciences. The main drafters of this document are. Liu Xiangfu, Jin Yan, Yang Yuhong, Wang Yong, Duan Yuqi, Wu Yuping, Xu Zhaoli, Li Junying, Deng Xiaopeng, Cheng Jianyong, Dong Jianxin. This document was first published in.2009 and this is the first revision. Tobacco floating seedling medium

1 Scope

This document specifies the quality requirements, inspection rules, packaging, labeling, transportation and storage of tobacco floating seedling medium, and describes the corresponding test Test method. This document applies to the quality requirements and testing of tobacco floating seedling substrates produced mainly from organic materials and natural minerals.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 601 Preparation of standard titration solutions for chemical reagents GB/T 6678 General Principles for Sampling of Chemical Products GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 8571 Compound fertilizer laboratory sample preparation GB/T 15555.10 Determination of nickel in solid wastes - Dimethylglyoxime spectrophotometric method NY/T 525 Organic Fertilizer NY/T 1978 Determination of mercury, arsenic, cadmium, lead, chromium and nickel content in fertilizers NY/T 2118 Vegetable seedling medium

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Nurserysubstrate Made mainly of organic materials (including peat, decomposed plant straw, plant residues) and natural minerals (perlite, vermiculite, sand). Artificial soil for tobacco floating seedling production. 3.2 Type test Conduct a comprehensive assessment of product quality, that is, inspect all technical requirements specified in this document. 3.3 Germination rate Single seed was sown in each hole, and the percentage of actual seeding holes 20 days after sowing to the total number of sowing holes. 3.4 Growth rate The number of days from sowing to when 50% of tobacco seedlings reach the big cross stage.

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Question 5: Should I purchase the latest version YC/T 310-2024?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version YC/T 310-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.