土壤含水量指土壤中所含水分的含量,通常以绝对含水量表示,即水分质量与烘干土壤质量的比值,用克/千克或百分比表示。在105℃下烘干至恒重时失去的水量即为土壤含水量。
| 标准号 & 类别 | 标准名称 | 发布 |
|---|---|---|
| ASTM D4829-21 试验 |
Standard Test Method for Expansion Index of Soils
土壤密度 |
2021-01-01 美国材料与试验协会 |
| ASTM RR-D18-2001 2022 试验 |
D8153-Test Method for Determination of Soil Water Contents Using a Dielectric Permittivity Probe
|
2022 美国材料与试验协会 |
| DB15/T 3130-2023 术语 |
Calculation method of drought level for automatic soil moisture observation data
|
2023-08-03 内蒙古自治区标准 |
| DIN 18121-2:2012 试验 |
Soil, investigation and testing - Watercontent - Part 2: Determination by rapid methods
|
2012-02-01 德国标准化学会 |
| DIN 19682-5:2007 试验 |
Soil quality - Field tests - Part 5: Determination of soil moisture
土壤样本 |
2007-11 德国标准化学会 |
| DIN 19682-5:2007-11 试验 |
Soil quality - Field tests - Part 5: Determination of soil moisture
|
2007-11 德国标准化学会 |
| LY/T 1213-1999 试验标准 |
Determination of forest soil water content
森林土壤 |
1999-07-15 行业标准-林业 |
| LY/T 1687-2007 规范 |
Indicators system for long-term observation of forest ecosystem in tropical zone
热带气旋 |
2007-06-04 行业标准-林业 |
| LY/T 1688-2007 试验 |
Indicators system for long-term observation of forest ecosystem in arid and semi-arid zone
|
2007-06-04 行业标准-林业 |
| LY/T 1689-2007 规范 |
Indicators system for long-term observation of forest ecosystem in warm temperate zone
|
2007-06-04 行业标准-林业 |
| NY/T 1121.4-2006 试验 |
Soil Testing.Part 4:Method for determination of soil bulk density
环刀 |
2006-07-10 行业标准-农业 |
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