Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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LY/T 1260-1999 Determination of available copper in forest soil 60.0 via email in 1~3 business day valid
GB 7878-1987 45.0 via email in 1~3 business day superseded
NY/T 1536-2007 Technical regulation for field experiment of microbial fertilizer and directory of effect evaluation 120.0 via email in 1~3 business day valid
LY/T 2115-2013 Technical regulation of organic fertilizer made from oil-tea camellia meal 120.0 via email in 1~3 business day valid
LY/T 1221-1999 Determination of carbon dioxide content in forest soil air 45.0 via email in 1~3 business day valid
LY/T 1235-1999 Determination of slow release potassium in forest soil 45.0 via email in 1~3 business day superseded
NY/T 2623-2014 60.0 via email in 1~3 business day valid
NY/T 304-1995 Determination of total amount of organic substance in organic fertilizer 60.0 via email in 1~3 business day valid
LY/T 1247-1999 Calculation of base-saturation percentage in forest soil 30.0 via email in 1~3 business day valid
LY/T 1269-1999 Determination of total nitrogen in forest plant and forest floor 75.0 via email in 1~3 business day valid
LY/T 1263-1999 Determination of exchangeable manganese in forest soil 45.0 via email in 1~3 business day valid
NY/T 305.4-1995 Determination of Manganese in Organic Fertilizer 75.0 via email in 1~3 business day valid
GB/T 25246-2010 Technology code for land application rates of livestock and poultry manure 180.0 via email in 1~3 business day valid
LY/T 1243-1999 Determination of cation exchange capacity in forest soil 75.0 via email in 1~3 business day valid
TD/T 1043.1-2013 Technical regulation on subsurface drainage and desalination soil. Part 1:Soil survey 660.0 via email in 1~3 business day valid
LY/T 1257-1999 Determination of extracting iron aluminium manganese silica carbon in forest soil 330.0 via email in 1~3 business day valid
GB 7874-1987 60.0 via email in 1~3 business day superseded
LY/T 1227-1999 Determination of forest soil macro-aggregate 45.0 via email in 1~3 business day valid
LY/T 1230-1999 Determination of nitrate nitrogen in forest soil 45.0 via email in 1~3 business day superseded
GB/T 32723-2016 Determination of soil microbial biomass - Substrate-induced respiration method 110.0 via email in 1~3 business day valid
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