GB/T 44971-2024
土壤硒含量等级
Soil selenium grade
- 实施日期
- 2025-03-01
- ICS 分类
- 13.080.10
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 44971-2024
Soil selenium grade
GB/T 44741-2024
Determination methods of soil bioavailable arsenic at the origin of agricultural products
GB/T 44343-2024
Soil quality—Determination of 22 elements—Digest with acids and analyse with inductively coupled plasma mass spectrometry
GB/T 43419.3-2023
Remediation and control of heavy metals in paddy field—Part 3: Physiological barriers
GB/T 43419.2-2023
Remediation and control of heavy metals in paddy field—Part 2:Immobilization
GB/T 43419.1-2023
Remediation and control of heavy metals in paddy field—Part 1: General principles
GB/T 42819-2023
General technical code of practice for immobilization of heavy metal contaminated soil in agriculture production area
GB/T 42812-2023
General technical specification for improvement of soil with continuous cropping obstacles
GB/T 42490-2023
Soil quality—Determination of total content and isotope ratio of organic carbon and nitrogen of soil and biological samples—Stable isotope ratio mass spectrometry
GB/T 42488-2023
Soil quality—Determination of nitrogen-15 abundance of inorganic nitrogen in soil—Stable isotope ratio mass spectrometry
GB/T 42485-2023
Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination with manual method
GB/T 42487-2023
Soil quality—Determination of nitrate, nitrite and ammonium in soils—Extraction with potassium chloride solution and determination using automated method with segmented flow analysis
GB/T 42489-2023
Soil quality—Decision unit-multi increment sampling method
GB/T 42363-2023
Soil quality—Pretreatment of samples for physico-chemical analysis
GB/T 41689-2022
Soil quality—Direct extraction of soil DNA
GB/T 41685-2022
Safety thresholds of Cd、Pb、Cr、Hg、As in soil for wheat production
GB/T 41475-2022
Specifications for color and legend of soil nutrient maps at the scale of 1:25 000~1:500 000
GB/Z 41359-2022
Soil quality—Determination of abundance and activity of soil microflora using respiration curves
GB/Z 41358-2022
Biological test methods for comprehensive characterization of soil health
GB/T 41224-2021
Soil quality—Digital exchange of soil-related data