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GB/T 33469-2016: Cultivated land quality grade
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Cultivated land quality grade
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GB/T 33469-2016
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Basic data | Standard ID | GB/T 33469-2016 (GB/T33469-2016) | | Description (Translated English) | Cultivated land quality grade | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B10 | | Classification of International Standard | 13.080.01 | | Word Count Estimation | 51,519 | | Date of Issue | 2016-12-30 | | Date of Implementation | 2016-12-30 | | Regulation (derived from) | National Standard Notice No.27 of 2016 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 33469-2016: Cultivated land quality grade---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.
Cultivated land quality grade
ICS 13.080.01
B10
National Standards of People's Republic of China
Cultivated land quality grade
2016-12-30 release
2016-12-30 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Management Committee released
Directory
Preface III
1 Scope 1
2 normative reference document 1
3 Terms and definitions 1
4 Grade of cultivated land grade 3
4.1 General 3
4.2 Classification of cultivated land quality grade 3
4.3 Arable land quality indicators to obtain 4
4.4 Determine the weight of each indicator 6
4.5 Calculate the membership degree of each index
4.6 Calculate the comprehensive index of cultivated land quality
Classification of Cultivated Land Quality Level
Investigation and Evaluation of Cultivated Land Cleanliness
Comprehensive assessment of cultivated land quality
Appendix A (Normative Appendix) Grade of Cultivated Land Quality Classification Area 11
Appendix B (Informative Annex) Indicators of Regional Cultivated Land Quality Ranking
Appendix C (normative) Determination of soil organic matter
Appendix D (normative) Determination of soil mechanical composition
Appendix E (normative) Determination of soil bulk density
Appendix F (normative) Determination of total water - soluble salts in soil
Appendix G (normative) Determination of chloride content in soils
Appendix H (normative) Determination of sulfate content in soils
Appendix I (normative) Determination of soil pH
Reference 48
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed by the Ministry of Agriculture of the People's Republic of China.
This standard is under the responsibility of the National Soil Quality Standardization Technical Committee (SAC/TC404).
The drafting unit of this standard. National Agricultural Technology Extension Service Center, Beijing Soil and Fertilizer Workstation, Shandong Province Soil and Fertilizer Station, Jiangsu Province
Geological and Agricultural Environmental Protection Station, Shanxi Province Soil and Fertilizer Workstation, South China Agricultural University.
The main drafters of this standard. arbitrary, Zeng Yande, He Caiwen, Xie Jianhua, Zhao Yongzhi, Zhong Luqing, Xue Yandong, Chen Mingquan, Li Tao, Wang Xukui,
ZHANG Qian-zhu, LI Yong-tao, ZHENG Lei, HU Liang-bing, LI Rong, XIN Jing-shu.
Cultivated land quality grade
1 Scope
This standard stipulates the division of cultivated land quality, the determination of indicators, the division of cultivated land quality and other content.
This standard applies to all levels of administrative regions and specific areas of cultivated land quality grade division. The classification of the quality of the garden can refer to the implementation.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Soil Environmental Quality Standard
Chinese Journal of Soil Science and
Technical specification for soil environmental monitoring
3 terms and definitions
The following terms and definitions apply to this document.
3.1
Cultivated land
Land for crop cultivation.
3.2
Cultivated land productivity
In the current management level, by the soil site conditions, natural attributes and other related factors constitute the cultivated land production capacity.
3.3
Soil health status
Soil as a dynamic life system has the ability to sustain its function, with cleanliness, and biodiversity.
Note. The degree of cleanliness reflects the extent to which soils are affected by toxic and hazardous substances such as heavy metals, pesticides and agricultural film residues; biodiversity reflects soil fertility
Rich degree.
3.4
Terrain parts partsoftheterrain
With a specific morphological features and genesis of small and medium scale units.
3.5
Field slope fieldsurfaceslope
The angle between farm slope and horizontal plane.
3.6
Groundwater depth
The distance from the diving surface to the ground surface.
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