GB/T 27648-2011 Indicators for important wetland monitoring

NY/T 53 GB/T 6920-1986 Water quality—Determination of pH value—Glass electrode method GB/T 14848-1993 Quality standard for ground water GB/T 14848-2017 Standard for groundwater quality GB/T 24708-2009 Wetland classification GB/T 26535-2011 Indicators for the identification of national important wetlands NY/T 1121.2-2006 Soil testing Part 2: Determination of soil pH NY/T 1121.3-2006 Soil testing Part 3: Determination of soil mechanical composition NY/T 1121.4-2006 Soil testing Part 4: Determination of soil bulk density NY/T 1121.6-2006 Soil testing Part 6: Determination of soil organic matter NY/T 1121.16-2006 Soil testing Part 16: Determination of Total Available Water Soluble Salts in Soil QX/T 50-2007 Ground Meteorological Observation Standards - Part 6: Observation of Air Temperature and Humidity QX/T 51-2007 Ground Meteorological Observation Standards - Part 7: Observation of Wind Direction and Speed QX/T 52-2007 Ground Meteorological Observation Standards - Part 8: Precipitation Observation QX/T 54-2007 Ground Meteorological Observation Standards - Part 10: Evaporation Observation QX/T 57-2007 Ground Meteorological Observation Standards Part 13: Ground Temperature Observation QX/T 61-2007 Ground Meteorological Observation Standards Part 17: Automatic Weather Station Observations NY/T 87-1988 Method for determination of total potassium in soils NY/T 88-1988 Method for determination of soil total phosphorus GB 3838-2002 Environmental quality standards for surface water GB 50179-2015 Code for liquid flow measurment in open channels