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NY/T 1121.18-2006 Soil Testing - Part 18: Method for Determination of Soil Sulfate Content (USD) via email in 1 business day VALID
NY/T 1121.22-2010 Soil testing-Part 22:Cutting ring method for determination of field water--holding capacity in soil (USD) via email in 1-3 business day VALID
GB/T 15773-1995 Regulation of acceptance for comprehensive control of soil erosion via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 16453.1-2008 Technical specification for comprehensive control of soil and water conservation - Technique for erosion control of slope land (USD) via email in 1-3 business day VALID
SL 449-2009 Compilation rules on preliminary design report of soil and water conservation project (USD) via email in 1-5 business day VALID
NY/T 890-2004 Determination of available zinc manganese iron copper in soil -- extraction with buffered DTPA solution (USD) via email in 1-3 business day VALID
NY/T 1121.4-2006 Soil Testing - Part 4: Method for Determination of Soil Bulk Density (USD) via email in 1 business day VALID
NY/T 1121.10-2006 (USD) via email in 1-3 business day VALID
NY/T 1121.9-2006 (USD) via email in 1-3 business day ABOLISHED
NY/T 1121.20-2008 Soil testing—Part 20:Method for determination of soil micro-aggregates distribution (USD) via email in 1-3 business day VALID
GB 19377-2003 Parameters for degradation,sandification and salification of rangelands via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
SL 342-2006 General technical specifications for facilities on water and soil conservation monitoring via email in VALID please email coc@codeofchina.com for quotation
GB/T 16453.4-2008 Technical specification for comprehensive control of soil and water conservation - Small engineering of store drainage and draw water (USD) via email in 1-3 business day VALID
NY 1260-2007 Mazimum Limits of Benzene Toluene and Xylene for Irrigation Water Quality via email in VALID please email coc@codeofchina.com for quotation
GB/T 16453.6-2008 Technical specification for comprehensive control of soil and water conservation - Technique for erosion control of collapse hill (USD) via email in 1-3 business day VALID
GB/T 22490-2008 Acceptance technical code for soil and water conservation engineering of development and construction projects (USD) via email in 1-5 business day VALID
GB/T 16453.5-2008 Technical specification for comprehensive control of soil and water conservation - Technique for erosion control of wind erosion (USD) via email in 1-3 business day VALID
NY/T 1121.11-2006 Soil Testing - Part 11: Method for Determination of Soil Total Arsenic (USD) via email in 1 business day VALID
NY/T 1121.7-2006 Soil Testing - Part 7: Method for Determination of Avalible Phosphorus in Acid Soil (USD) via email in 1 business day ABOLISHED
NY/T 1104-2006 Determination of selenium in soils (USD) via email in 1-3 business day VALID
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