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GB/T 41475-2022: Specifications for color and legend of soil nutrient maps at the scale of 1: 25 000~1: 500 000
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GB/T 41475-2022: Specifications for color and legend of soil nutrient maps at the scale of 1: 25 000~1: 500 000

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Specifications for color and legend of soil nutrient maps at the scale of 1.25 000~1.500 000 ICS 13.080;07.040 CCSB10 National Standards of People's Republic of China 1.25000~1.500000 soil nutrient map color and Legend Specification 1.25000~1.500000 Published on 2022-04-15 2022-11-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Setting, Arranging and Using Color 2 5 Legend and Notes 2 6 Verification method 3 Appendix A (normative) Soil Nutrient Map Color Scale 4 Appendix B (Informative) Sample Drawing Example 8 Reference 15

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. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by the Ministry of Agriculture and Rural Affairs of the People's Republic of China. This document is under the jurisdiction of the National Soil Quality Standardization Technical Committee (SAC/TC404). This document is drafted by. Institute of Agricultural Resources and Agricultural Zoning, Chinese Academy of Agricultural Sciences, Nanjing Institute of Soil Sciences, Chinese Academy of Sciences, National Agricultural Technology Extension Service Center, Beijing Academy of Agriculture and Forestry Sciences, Jiangsu Institute of Quality and Standardization. The main drafters of this document. Xu Aiguo, Zhang Weili, Shi Xuezheng, Huang Hongxiang, Zhang Kenlian, Tian Youguo, Ji Hongjie, Zhang Huaizhi, Yu Dongsheng, Wei Dan and Huang Rong. 1.25000~1.500000 soil nutrient map color and Legend Specification

1 Scope

This document specifies the color scale setting and arrangement, legends and annotations of the 15 indicators of the 1.25000~1.500000 soil nutrient map Require. This document is suitable for compiling and publishing the above-mentioned index soils in 1.25000~1.500000 national basic scale scales or other scales Nutrient maps, including paper maps and electronic maps. Note. 15 indicators include soil organic matter, total nitrogen, total phosphorus, total potassium, available phosphorus, available potassium, exchangeable calcium, exchangeable magnesium, total sulfur, available iron, available manganese, available Copper, available zinc, available boron and available molybdenum.

2 Normative references

There are no normative references in this document.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 color series A group of shades with a similar color tone. Note. The color system is the upper-level management unit of the hue. [Source. GB/T 36501-2018, 3.5, with modifications] 3.2 tone tone The color tones formed by the overall relationship between colors. [Source. GB/T 16820-2009,6.12] 3.3 color target A sequence of color values used to establish the relationship between the color presented by the device and its input value. [Source. GB/T 9851.2-2008, 2.25] 3.4 colorvalue A set of data representing a color in a specific color space. [Source. GB/T 9851.2-2008, 2.26] 3.5 soil nutrient map A map that reflects the content distribution or content grade distribution of various nutrient elements in the soil. ...