This document stipulates the color code setting and layout, legend and annotation requirements of 15 indicators in the 1:25000~1:500000 soil nutrient map. This document is applicable to the compilation and publication of soil nutrient maps of the above indicators in the national basic scale of 1:25000~1:500000 or other scales, including paper maps and electronic maps. Note: The 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 effective molybdenum.
GB/T 41475-2022 history
2022GB/T 41475-2022 Specifications for color and legend of soil nutrient maps at the scale of 1:25 000~1:500 000