GB/T 41684-2022Agriculture in arid areas—Terminology and zoning (English PDF)
旱区农业 术语与分区
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
October 14, 2022
Implementation date
May 1, 2023
Scope
GB/T 41684-2022 is the English-translated version of 旱区农业 术语与分区.
GB/T 41684-2022 is the Chinese national vocabulary and zoning standard for farming in arid areas, written for areas where crop growing dominates.
It defines an arid area as one with less than 650 mm of average annual precipitation, and covers the terms of the field together with the zoning types and the indicator characteristics used to tell one zone from another.
Among the terms defined are dryness, the index that compares the annual potential evapotranspiration calculated by the FAO Penman-Monteith method with the average annual precipitation, the irrigation system taken as a whole, and the climate resources of arid regions.
It is meant for production, management and research in agriculture and related fields in arid regions, and it has no normative references. Issued on 14 October 2022, it has applied since 1 May 2023.
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Document preview — GB/T 41684-2022
National Standard of the People's Republic of China
- ICS
- 01.040.65
- Classification
- B 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
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 of Standardization Documents" drafted.
1 Scope
This document presents terms and definitions, zoning types and indicator characteristics of agriculture in arid areas dominated by planting.
This document applies to production, management and scientific research in agriculture and related fields in arid regions.
2 Normative references
There are no normative references in this document.
3 Terms and Definitions
3.1 Basic terminology
3.1.1 Arid areas
Areas with an average annual precipitation less than 650mm.
Note: Including arid regions, semi-arid and arid regions, semi-arid regions, sub-humid and arid regions, and sub-humid regions.
3.1.2 Agriculture in arid areas
Agriculture, forestry, animal husbandry, fishery production and related activities in dry areas.
3.1.3 Dryness
An index that characterizes the degree of dryness of the climate. See formula (1) for calculation.
where: K --- dryness; Em --- annual potential evapotranspiration calculated by the FAO Penman-Monteith method; P --- Average annual precipitation.
3.1.4 Irrigation system
The general term for all levels of channels, pipelines and corresponding facilities and equipment that take water from water sources, transport and distribute it to farmland for irrigation.
3.2 Agricultural resources in arid regions
3.2.1 Climate resources in arid regions
The natural substances and energy that can be used by humans in the climate elements of arid regions.
Note: Including solar radiation, heat, precipitation, wind, etc.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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