GB/T 37804-2019Specifications for winter wheat growth monitoring (English PDF)
冬小麦苗情长势监测规范
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
August 30, 2019
Implementation date
March 1, 2020
Scope
GB/T 37804-2019 is the English-translated version of 冬小麦苗情长势监测规范.
GB/T 37804-2019 is the Chinese standard "Specifications for winter wheat growth monitoring". Its scope clause reads: This standard specifies the selection and monitoring items and methods for monitoring the growth of winter wheat seedlings.
This standard is applicable to the monitoring of winter wheat seedling growth for the purpose of monitoring and analysis, scientific research, production services and management decision-making. Its clauses include terms and definitions; monitoring point selection.
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Document preview — GB/T 37804-2019
National Standard of the People's Republic of China
- ICS
- 65.020.01
- Classification
- B 01
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Monitoring point selection
1 Scope
This standard specifies the selection and monitoring items and methods for monitoring the growth of winter wheat seedlings.
This standard is applicable to the monitoring of winter wheat seedling growth for the purpose of monitoring and analysis, scientific research, production services and management decision-making.
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/T 15795 Technical specification for wheat stripe rust
GB/T 15796 Technical specification for wheat scab
GB/T 15797 wheat bush dwarf disease reporting technical specification
GB/T 20524 Agriculture and forest microclimate observation instrument
HJ717 Determination of total nitrogen in soil quality - Kjeldahl method
NY/T 612 wheat aphid survey survey specification
NY/T 613 Wheat Powdery Mildew Survey Survey Specification
NY/T 614 Wheat Sheath Blight Survey Specification
NY/T 616 Wheat Membrane Survey Report Specification
Determination of available potassium and slow-acting potassium in soil of NY/T 889
NY/T 1121.6 Soil testing - Part 6. Determination of soil organic matter
NY/T 1121.7 Soil testing - Part 7. Determination of soil available phosphorus
NY/T 1782 farmland soil moisture monitoring technical specification
3 Terms and definitions
The following terms and definitions apply to this document.
3.1 Miao love growth
Information such as plant growth and development during crop growth, usually including soil conditions affecting crop growth and development, and field
Microclimate, production management process, disaster occurrence, etc.
3.2 Growth period growthstage
During the growth and development of crops, according to the order of organ formation and growth and development characteristics, the external morphological characteristics of the plants showed significant changes.
Period.
Note. The growth period of wheat is divided into emergence stage, three-leaf stage, tillering stage, wintering stage, greening stage, rising stage, jointing stage, booting stage (flagging period), heading period, flowering
12 periods, such as period, milk ripening period (filling period) and maturity period.
4 Monitoring point selection
4.1 Monitoring plots
4.1.1
Representative plots such as soil fertility, management level, wheat varieties, and seedling growth should be selected.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
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