DB32/T 3637-2019 Land Comprehensive Reclamation Engineering Construction Specification

GB 5084-1992 Standards for irrigation water quality GB 5084-2005 Standards for irrigation water quality GB 5768-1999 Road traffic signs and markings GB 5768-1999-XG2-2005 Road traffic signs and markings Amendment 2 GB 5768.1-2009 Road traffic signs and markings—Part 1:General GB 5768.1-2025 Traffic signs and markings—Part 1:General GB 5768.2-2009 Road traffic signs and markings—Part 2:Road traffic signs GB 5768.2-2022 Road traffic signs and markings—Part 2:Road traffic signs GB 5768.3-2009 Road traffic signs and markings—Part 3:Road traffic markings GB 5768.4-2017 Road traffic signs and markings—Part 4:Work zone GB 5768.5-2017 Road traffic signs and markings—Part 5:Speed limit GB 5768.6-2017 Road traffic signs and markings—Part 6:Highway-railway grade crossing GB 5768.7-2018 Road traffic signs and markings—Part 7:Non-motor vehicles and pedestrians GB 5768.8-2018 Road traffic signs and markings—Part 8:School zone GB 15618-1995 Environmental quality standard for soils GB 15618-2018 Soil environment quality risk control standard for soilcontamination of agriculture land GB/T 20203-2006 Technical specification for irrigation projects with low pressure pipe conveyance GB/T 20203-2017 Technical specification for irrigation projects with pipe conveyance GB/T 21303-2007 Specification for water measuring of irrigation canal system GB/T 21303-2017 Specifications for water measurement of irrigation canal system GB 50288-2018 Design standard for irrigation and drainage engineering GB/T 50625 JTG D50 JTG D60-2004 General code for design of highway Bridges and Culverts NY 525-2002 Organic fertilizer NY/T 525-2021 NY/T 525-2021 Organic fertilizer NY 525-2011 NY 525-2011 Organic fertilizer NY 525-2012 NY 525-2012 Organic fertilizer NY/T 2148-2012 NY/T 2148-2012 Standard for High-standard Farmland Construction TD/T 1043.1-2013 Technical regulation on subsurface drainage and desalination soil—Part 1:Soil survey TD/T 1043.2-2013 Technical regulation on subsurface drainage and desalination soil—Part 2:Planning design and construction GB 5768.9-2025 Road traffic signs and markings—Part 9:Traffic accident management area GB 50052-2009 Code for design electric power supply systems GB/T 50085-2007 Technical code for sprinkler engineering GB 50265-2022 Design code for pumping station GB/T 50363-2018 Technical specification for water-saving irrigation engineering GB/T 50485-2020 Technical code for microirrigation engineering GB/T 50600-2020 Technical code for seepage control engineering on canal GB 5768.3-2025 Traffic signs and markings—Part 3:Traffic markings